Home / 137,786,426.40-206,679,639.60-83,260,579.80

Finding the Fourth Proportional to 137,786,426.40, 206,679,639.60 and 83,260,579.80

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Solution

The fourth proportional to 137,786,426.40, 206,679,639.60 and 83,260,579.80 is: 124,890,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,786,426.40 : 206,679,639.60 = 83,260,579.80 : x
  2. Step 2: Convert to fraction form
    137,786,426.40/206,679,639.60 = 83,260,579.80/x
  3. Step 3: Cross multiply
    137,786,426.40x = 206,679,639.60 × 83,260,579.80
  4. Step 4: Simplify right side
    137,786,426.40x = 17,208,266,625,951,038
  5. Step 5: Solve for x
    x = 17,208,266,625,951,038/137,786,426.40
  6. Step 6: Final answer
    x = 124,890,869.70

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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.