Home / 142,957,710.29-197,273,352.11-80,227,950.81

Finding the Fourth Proportional to 142,957,710.29, 197,273,352.11 and 80,227,950.81

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Solution

The fourth proportional to 142,957,710.29, 197,273,352.11 and 80,227,950.81 is: 110,709,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,957,710.29 : 197,273,352.11 = 80,227,950.81 : x
  2. Step 2: Convert to fraction form
    142,957,710.29/197,273,352.11 = 80,227,950.81/x
  3. Step 3: Cross multiply
    142,957,710.29x = 197,273,352.11 × 80,227,950.81
  4. Step 4: Simplify right side
    142,957,710.29x = 15,826,836,788,803,750
  5. Step 5: Solve for x
    x = 15,826,836,788,803,750/142,957,710.29
  6. Step 6: Final answer
    x = 110,709,920.84

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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.