Home / 86,730,612.90-119,688,439.96-50,061,154.74

Finding the Fourth Proportional to 86,730,612.90, 119,688,439.96 and 50,061,154.74

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Solution

The fourth proportional to 86,730,612.90, 119,688,439.96 and 50,061,154.74 is: 69,084,505.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,730,612.90 : 119,688,439.96 = 50,061,154.74 : x
  2. Step 2: Convert to fraction form
    86,730,612.90/119,688,439.96 = 50,061,154.74/x
  3. Step 3: Cross multiply
    86,730,612.90x = 119,688,439.96 × 50,061,154.74
  4. Step 4: Simplify right side
    86,730,612.90x = 5,991,741,513,426,759
  5. Step 5: Solve for x
    x = 5,991,741,513,426,759/86,730,612.90
  6. Step 6: Final answer
    x = 69,084,505.61

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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.