Home / 124,703,985.66-187,065,951.24-42,789,900.66

Finding the Fourth Proportional to 124,703,985.66, 187,065,951.24 and 42,789,900.66

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Solution

The fourth proportional to 124,703,985.66, 187,065,951.24 and 42,789,900.66 is: 64,188,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,703,985.66 : 187,065,951.24 = 42,789,900.66 : x
  2. Step 2: Convert to fraction form
    124,703,985.66/187,065,951.24 = 42,789,900.66/x
  3. Step 3: Cross multiply
    124,703,985.66x = 187,065,951.24 × 42,789,900.66
  4. Step 4: Simplify right side
    124,703,985.66x = 8,004,533,470,428,004
  5. Step 5: Solve for x
    x = 8,004,533,470,428,004/124,703,985.66
  6. Step 6: Final answer
    x = 64,188,272.96

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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.