Home / 77,337,957.28-106,729,122-42,533,339.44

Finding the Fourth Proportional to 77,337,957.28, 106,729,122 and 42,533,339.44

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Solution

The fourth proportional to 77,337,957.28, 106,729,122 and 42,533,339.44 is: 58,697,515.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,337,957.28 : 106,729,122 = 42,533,339.44 : x
  2. Step 2: Convert to fraction form
    77,337,957.28/106,729,122 = 42,533,339.44/x
  3. Step 3: Cross multiply
    77,337,957.28x = 106,729,122 × 42,533,339.44
  4. Step 4: Simplify right side
    77,337,957.28x = 4,539,545,974,159,171
  5. Step 5: Solve for x
    x = 4,539,545,974,159,171/77,337,957.28
  6. Step 6: Final answer
    x = 58,697,515.86

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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.