Home / 99,668,113.20-149,502,169.80-97,428,625.20

Finding the Fourth Proportional to 99,668,113.20, 149,502,169.80 and 97,428,625.20

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Solution

The fourth proportional to 99,668,113.20, 149,502,169.80 and 97,428,625.20 is: 146,142,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,113.20 : 149,502,169.80 = 97,428,625.20 : x
  2. Step 2: Convert to fraction form
    99,668,113.20/149,502,169.80 = 97,428,625.20/x
  3. Step 3: Cross multiply
    99,668,113.20x = 149,502,169.80 × 97,428,625.20
  4. Step 4: Simplify right side
    99,668,113.20x = 14,565,790,868,030,960
  5. Step 5: Solve for x
    x = 14,565,790,868,030,960/99,668,113.20
  6. Step 6: Final answer
    x = 146,142,937.80

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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.