Home / 317,398,957.20-476,098,435.80-87,403,539.60

Finding the Fourth Proportional to 317,398,957.20, 476,098,435.80 and 87,403,539.60

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Solution

The fourth proportional to 317,398,957.20, 476,098,435.80 and 87,403,539.60 is: 131,105,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,398,957.20 : 476,098,435.80 = 87,403,539.60 : x
  2. Step 2: Convert to fraction form
    317,398,957.20/476,098,435.80 = 87,403,539.60/x
  3. Step 3: Cross multiply
    317,398,957.20x = 476,098,435.80 × 87,403,539.60
  4. Step 4: Simplify right side
    317,398,957.20x = 41,612,688,486,943,352
  5. Step 5: Solve for x
    x = 41,612,688,486,943,352/317,398,957.20
  6. Step 6: Final answer
    x = 131,105,309.40

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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.