Home / 124,762,856.60-187,156,791.30-42,870,949.40

Finding the Fourth Proportional to 124,762,856.60, 187,156,791.30 and 42,870,949.40

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Solution

The fourth proportional to 124,762,856.60, 187,156,791.30 and 42,870,949.40 is: 64,310,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,762,856.60 : 187,156,791.30 = 42,870,949.40 : x
  2. Step 2: Convert to fraction form
    124,762,856.60/187,156,791.30 = 42,870,949.40/x
  3. Step 3: Cross multiply
    124,762,856.60x = 187,156,791.30 × 42,870,949.40
  4. Step 4: Simplify right side
    124,762,856.60x = 8,023,589,329,688,660
  5. Step 5: Solve for x
    x = 8,023,589,329,688,660/124,762,856.60
  6. Step 6: Final answer
    x = 64,310,721.54

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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.