Home / 138,763,154.95-208,144,178.79-62,032,374.58

Finding the Fourth Proportional to 138,763,154.95, 208,144,178.79 and 62,032,374.58

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Solution

The fourth proportional to 138,763,154.95, 208,144,178.79 and 62,032,374.58 is: 93,048,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,763,154.95 : 208,144,178.79 = 62,032,374.58 : x
  2. Step 2: Convert to fraction form
    138,763,154.95/208,144,178.79 = 62,032,374.58/x
  3. Step 3: Cross multiply
    138,763,154.95x = 208,144,178.79 × 62,032,374.58
  4. Step 4: Simplify right side
    138,763,154.95x = 12,911,677,665,347,770
  5. Step 5: Solve for x
    x = 12,911,677,665,347,770/138,763,154.95
  6. Step 6: Final answer
    x = 93,048,314.37

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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.