Home / 278,087,294.46-384,078,967.72-183,142,229.66

Finding the Fourth Proportional to 278,087,294.46, 384,078,967.72 and 183,142,229.66

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Solution

The fourth proportional to 278,087,294.46, 384,078,967.72 and 183,142,229.66 is: 252,946,034.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,087,294.46 : 384,078,967.72 = 183,142,229.66 : x
  2. Step 2: Convert to fraction form
    278,087,294.46/384,078,967.72 = 183,142,229.66/x
  3. Step 3: Cross multiply
    278,087,294.46x = 384,078,967.72 × 183,142,229.66
  4. Step 4: Simplify right side
    278,087,294.46x = 70,341,078,514,254,304
  5. Step 5: Solve for x
    x = 70,341,078,514,254,304/278,087,294.46
  6. Step 6: Final answer
    x = 252,946,034.99

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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.