Home / 124,783,287.02-187,191,963.81-51,983,042.70

Finding the Fourth Proportional to 124,783,287.02, 187,191,963.81 and 51,983,042.70

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Solution

The fourth proportional to 124,783,287.02, 187,191,963.81 and 51,983,042.70 is: 77,981,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783,287.02 : 187,191,963.81 = 51,983,042.70 : x
  2. Step 2: Convert to fraction form
    124,783,287.02/187,191,963.81 = 51,983,042.70/x
  3. Step 3: Cross multiply
    124,783,287.02x = 187,191,963.81 × 51,983,042.70
  4. Step 4: Simplify right side
    124,783,287.02x = 9,730,807,847,832,086
  5. Step 5: Solve for x
    x = 9,730,807,847,832,086/124,783,287.02
  6. Step 6: Final answer
    x = 77,981,659.89

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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.