Home / 93,171,098.88-139,756,648.32-28,475,089.92

Finding the Fourth Proportional to 93,171,098.88, 139,756,648.32 and 28,475,089.92

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Solution

The fourth proportional to 93,171,098.88, 139,756,648.32 and 28,475,089.92 is: 42,712,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,171,098.88 : 139,756,648.32 = 28,475,089.92 : x
  2. Step 2: Convert to fraction form
    93,171,098.88/139,756,648.32 = 28,475,089.92/x
  3. Step 3: Cross multiply
    93,171,098.88x = 139,756,648.32 × 28,475,089.92
  4. Step 4: Simplify right side
    93,171,098.88x = 3,979,583,127,829,817
  5. Step 5: Solve for x
    x = 3,979,583,127,829,817/93,171,098.88
  6. Step 6: Final answer
    x = 42,712,634.88

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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.