Home / 102,371,728-141,273,924.65-58,318,073.93

Finding the Fourth Proportional to 102,371,728, 141,273,924.65 and 58,318,073.93

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Solution

The fourth proportional to 102,371,728, 141,273,924.65 and 58,318,073.93 is: 80,479,477.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,371,728 : 141,273,924.65 = 58,318,073.93 : x
  2. Step 2: Convert to fraction form
    102,371,728/141,273,924.65 = 58,318,073.93/x
  3. Step 3: Cross multiply
    102,371,728x = 141,273,924.65 × 58,318,073.93
  4. Step 4: Simplify right side
    102,371,728x = 8,238,823,182,119,950
  5. Step 5: Solve for x
    x = 8,238,823,182,119,950/102,371,728
  6. Step 6: Final answer
    x = 80,479,477.52

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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.