Home / 277,244,384.80-415,866,577.56-72,793,127.20

Finding the Fourth Proportional to 277,244,384.80, 415,866,577.56 and 72,793,127.20

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Solution

The fourth proportional to 277,244,384.80, 415,866,577.56 and 72,793,127.20 is: 109,189,690.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,244,384.80 : 415,866,577.56 = 72,793,127.20 : x
  2. Step 2: Convert to fraction form
    277,244,384.80/415,866,577.56 = 72,793,127.20/x
  3. Step 3: Cross multiply
    277,244,384.80x = 415,866,577.56 × 72,793,127.20
  4. Step 4: Simplify right side
    277,244,384.80x = 30,272,228,678,553,748
  5. Step 5: Solve for x
    x = 30,272,228,678,553,748/277,244,384.80
  6. Step 6: Final answer
    x = 109,189,690.89

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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.