Home / 56,689,815.92-78,234,423.40-31,911,601.64

Finding the Fourth Proportional to 56,689,815.92, 78,234,423.40 and 31,911,601.64

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Solution

The fourth proportional to 56,689,815.92, 78,234,423.40 and 31,911,601.64 is: 44,039,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,689,815.92 : 78,234,423.40 = 31,911,601.64 : x
  2. Step 2: Convert to fraction form
    56,689,815.92/78,234,423.40 = 31,911,601.64/x
  3. Step 3: Cross multiply
    56,689,815.92x = 78,234,423.40 × 31,911,601.64
  4. Step 4: Simplify right side
    56,689,815.92x = 2,496,585,754,075,894.50
  5. Step 5: Solve for x
    x = 2,496,585,754,075,894.50/56,689,815.92
  6. Step 6: Final answer
    x = 44,039,404.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.