Home / 82,957,686.40-124,436,529.60-52,699,715.20

Finding the Fourth Proportional to 82,957,686.40, 124,436,529.60 and 52,699,715.20

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Solution

The fourth proportional to 82,957,686.40, 124,436,529.60 and 52,699,715.20 is: 79,049,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,957,686.40 : 124,436,529.60 = 52,699,715.20 : x
  2. Step 2: Convert to fraction form
    82,957,686.40/124,436,529.60 = 52,699,715.20/x
  3. Step 3: Cross multiply
    82,957,686.40x = 124,436,529.60 × 52,699,715.20
  4. Step 4: Simplify right side
    82,957,686.40x = 6,557,769,670,396,370
  5. Step 5: Solve for x
    x = 6,557,769,670,396,370/82,957,686.40
  6. Step 6: Final answer
    x = 79,049,572.80

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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.