Home / 77,572,963,420.04-107,053,330,868.39-45,017,656,522.68

Finding the Fourth Proportional to 77,572,963,420.04, 107,053,330,868.39 and 45,017,656,522.68

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Solution

The fourth proportional to 77,572,963,420.04, 107,053,330,868.39 and 45,017,656,522.68 is: 62,125,898,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572,963,420.04 : 107,053,330,868.39 = 45,017,656,522.68 : x
  2. Step 2: Convert to fraction form
    77,572,963,420.04/107,053,330,868.39 = 45,017,656,522.68/x
  3. Step 3: Cross multiply
    77,572,963,420.04x = 107,053,330,868.39 × 45,017,656,522.68
  4. Step 4: Simplify right side
    77,572,963,420.04x = 4,819,290,078,641,997,742,080
  5. Step 5: Solve for x
    x = 4,819,290,078,641,997,742,080/77,572,963,420.04
  6. Step 6: Final answer
    x = 62,125,898,846.32

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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.