Home / 99,973,358.61-137,929,821.19-58,148,545.50

Finding the Fourth Proportional to 99,973,358.61, 137,929,821.19 and 58,148,545.50

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Solution

The fourth proportional to 99,973,358.61, 137,929,821.19 and 58,148,545.50 is: 80,225,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,973,358.61 : 137,929,821.19 = 58,148,545.50 : x
  2. Step 2: Convert to fraction form
    99,973,358.61/137,929,821.19 = 58,148,545.50/x
  3. Step 3: Cross multiply
    99,973,358.61x = 137,929,821.19 × 58,148,545.50
  4. Step 4: Simplify right side
    99,973,358.61x = 8,020,418,483,273,579
  5. Step 5: Solve for x
    x = 8,020,418,483,273,579/99,973,358.61
  6. Step 6: Final answer
    x = 80,225,558.04

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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.