Home / 113,762,282-156,947,280.90-66,069,417.60

Finding the Fourth Proportional to 113,762,282, 156,947,280.90 and 66,069,417.60

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Solution

The fourth proportional to 113,762,282, 156,947,280.90 and 66,069,417.60 is: 91,149,854.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,762,282 : 156,947,280.90 = 66,069,417.60 : x
  2. Step 2: Convert to fraction form
    113,762,282/156,947,280.90 = 66,069,417.60/x
  3. Step 3: Cross multiply
    113,762,282x = 156,947,280.90 × 66,069,417.60
  4. Step 4: Simplify right side
    113,762,282x = 10,369,415,442,966,604
  5. Step 5: Solve for x
    x = 10,369,415,442,966,604/113,762,282
  6. Step 6: Final answer
    x = 91,149,854.42

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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.