Home / 99,668,401.20-149,502,601.80-58,685,770.80

Finding the Fourth Proportional to 99,668,401.20, 149,502,601.80 and 58,685,770.80

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Solution

The fourth proportional to 99,668,401.20, 149,502,601.80 and 58,685,770.80 is: 88,028,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,401.20 : 149,502,601.80 = 58,685,770.80 : x
  2. Step 2: Convert to fraction form
    99,668,401.20/149,502,601.80 = 58,685,770.80/x
  3. Step 3: Cross multiply
    99,668,401.20x = 149,502,601.80 × 58,685,770.80
  4. Step 4: Simplify right side
    99,668,401.20x = 8,773,675,423,238,468
  5. Step 5: Solve for x
    x = 8,773,675,423,238,468/99,668,401.20
  6. Step 6: Final answer
    x = 88,028,656.20

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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.