Home / 61,238,500.47-91,825,855.12-28,881,715.18

Finding the Fourth Proportional to 61,238,500.47, 91,825,855.12 and 28,881,715.18

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Solution

The fourth proportional to 61,238,500.47, 91,825,855.12 and 28,881,715.18 is: 43,307,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,238,500.47 : 91,825,855.12 = 28,881,715.18 : x
  2. Step 2: Convert to fraction form
    61,238,500.47/91,825,855.12 = 28,881,715.18/x
  3. Step 3: Cross multiply
    61,238,500.47x = 91,825,855.12 × 28,881,715.18
  4. Step 4: Simplify right side
    61,238,500.47x = 2,652,088,193,735,785
  5. Step 5: Solve for x
    x = 2,652,088,193,735,785/61,238,500.47
  6. Step 6: Final answer
    x = 43,307,529.96

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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.