Home / 105,787,946.46-158,609,477.34-53,872,054.86

Finding the Fourth Proportional to 105,787,946.46, 158,609,477.34 and 53,872,054.86

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Solution

The fourth proportional to 105,787,946.46, 158,609,477.34 and 53,872,054.86 is: 80,771,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,787,946.46 : 158,609,477.34 = 53,872,054.86 : x
  2. Step 2: Convert to fraction form
    105,787,946.46/158,609,477.34 = 53,872,054.86/x
  3. Step 3: Cross multiply
    105,787,946.46x = 158,609,477.34 × 53,872,054.86
  4. Step 4: Simplify right side
    105,787,946.46x = 8,544,618,464,576,407
  5. Step 5: Solve for x
    x = 8,544,618,464,576,407/105,787,946.46
  6. Step 6: Final answer
    x = 80,771,191.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.