Home / 102,371,729-141,273,926.03-58,318,074.93

Finding the Fourth Proportional to 102,371,729, 141,273,926.03 and 58,318,074.93

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Solution

The fourth proportional to 102,371,729, 141,273,926.03 and 58,318,074.93 is: 80,479,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,371,729 : 141,273,926.03 = 58,318,074.93 : x
  2. Step 2: Convert to fraction form
    102,371,729/141,273,926.03 = 58,318,074.93/x
  3. Step 3: Cross multiply
    102,371,729x = 141,273,926.03 × 58,318,074.93
  4. Step 4: Simplify right side
    102,371,729x = 8,238,823,403,872,817
  5. Step 5: Solve for x
    x = 8,238,823,403,872,817/102,371,729
  6. Step 6: Final answer
    x = 80,479,478.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.