Home / 87,698,344,643.34-121,020,474,951.18-47,599,463,097.42

Finding the Fourth Proportional to 87,698,344,643.34, 121,020,474,951.18 and 47,599,463,097.42

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Solution

The fourth proportional to 87,698,344,643.34, 121,020,474,951.18 and 47,599,463,097.42 is: 65,685,500,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,698,344,643.34 : 121,020,474,951.18 = 47,599,463,097.42 : x
  2. Step 2: Convert to fraction form
    87,698,344,643.34/121,020,474,951.18 = 47,599,463,097.42/x
  3. Step 3: Cross multiply
    87,698,344,643.34x = 121,020,474,951.18 × 47,599,463,097.42
  4. Step 4: Simplify right side
    87,698,344,643.34x = 5,760,509,631,470,932,852,736
  5. Step 5: Solve for x
    x = 5,760,509,631,470,932,852,736/87,698,344,643.34
  6. Step 6: Final answer
    x = 65,685,500,164.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.