Home / 124,082,053.70-186,123,080.55-78,165,551.30

Finding the Fourth Proportional to 124,082,053.70, 186,123,080.55 and 78,165,551.30

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Solution

The fourth proportional to 124,082,053.70, 186,123,080.55 and 78,165,551.30 is: 117,248,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,082,053.70 : 186,123,080.55 = 78,165,551.30 : x
  2. Step 2: Convert to fraction form
    124,082,053.70/186,123,080.55 = 78,165,551.30/x
  3. Step 3: Cross multiply
    124,082,053.70x = 186,123,080.55 × 78,165,551.30
  4. Step 4: Simplify right side
    124,082,053.70x = 14,548,413,200,845,058
  5. Step 5: Solve for x
    x = 14,548,413,200,845,058/124,082,053.70
  6. Step 6: Final answer
    x = 117,248,326.95

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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.