Home / 124,783,285.02-187,191,960.81-51,983,040.70

Finding the Fourth Proportional to 124,783,285.02, 187,191,960.81 and 51,983,040.70

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Solution

The fourth proportional to 124,783,285.02, 187,191,960.81 and 51,983,040.70 is: 77,981,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783,285.02 : 187,191,960.81 = 51,983,040.70 : x
  2. Step 2: Convert to fraction form
    124,783,285.02/187,191,960.81 = 51,983,040.70/x
  3. Step 3: Cross multiply
    124,783,285.02x = 187,191,960.81 × 51,983,040.70
  4. Step 4: Simplify right side
    124,783,285.02x = 9,730,807,317,499,036
  5. Step 5: Solve for x
    x = 9,730,807,317,499,036/124,783,285.02
  6. Step 6: Final answer
    x = 77,981,656.89

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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.