Home / 99,668,143.20-149,502,214.80-88,708,648.80

Finding the Fourth Proportional to 99,668,143.20, 149,502,214.80 and 88,708,648.80

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Solution

The fourth proportional to 99,668,143.20, 149,502,214.80 and 88,708,648.80 is: 133,062,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,668,143.20 : 149,502,214.80 = 88,708,648.80 : x
  2. Step 2: Convert to fraction form
    99,668,143.20/149,502,214.80 = 88,708,648.80/x
  3. Step 3: Cross multiply
    99,668,143.20x = 149,502,214.80 × 88,708,648.80
  4. Step 4: Simplify right side
    99,668,143.20x = 13,262,139,467,515,362
  5. Step 5: Solve for x
    x = 13,262,139,467,515,362/99,668,143.20
  6. Step 6: Final answer
    x = 133,062,973.20

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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.