Home / 80,587,320.40-120,623,789.40-63,581,208.40

Finding the Fourth Proportional to 80,587,320.40, 120,623,789.40 and 63,581,208.40

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Solution

The fourth proportional to 80,587,320.40, 120,623,789.40 and 63,581,208.40 is: 95,168,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587,320.40 : 120,623,789.40 = 63,581,208.40 : x
  2. Step 2: Convert to fraction form
    80,587,320.40/120,623,789.40 = 63,581,208.40/x
  3. Step 3: Cross multiply
    80,587,320.40x = 120,623,789.40 × 63,581,208.40
  4. Step 4: Simplify right side
    80,587,320.40x = 7,669,406,291,839,111
  5. Step 5: Solve for x
    x = 7,669,406,291,839,111/80,587,320.40
  6. Step 6: Final answer
    x = 95,168,895.72

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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.