Home / 61,808,689.68-92,691,618.12-31,091,396.64

Finding the Fourth Proportional to 61,808,689.68, 92,691,618.12 and 31,091,396.64

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Solution

The fourth proportional to 61,808,689.68, 92,691,618.12 and 31,091,396.64 is: 46,626,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,808,689.68 : 92,691,618.12 = 31,091,396.64 : x
  2. Step 2: Convert to fraction form
    61,808,689.68/92,691,618.12 = 31,091,396.64/x
  3. Step 3: Cross multiply
    61,808,689.68x = 92,691,618.12 × 31,091,396.64
  4. Step 4: Simplify right side
    61,808,689.68x = 2,881,911,864,172,331.50
  5. Step 5: Solve for x
    x = 2,881,911,864,172,331.50/61,808,689.68
  6. Step 6: Final answer
    x = 46,626,321.95

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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.