Home / 100,055,374.20-150,083,061.30-99,098,780.40

Finding the Fourth Proportional to 100,055,374.20, 150,083,061.30 and 99,098,780.40

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Solution

The fourth proportional to 100,055,374.20, 150,083,061.30 and 99,098,780.40 is: 148,648,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,055,374.20 : 150,083,061.30 = 99,098,780.40 : x
  2. Step 2: Convert to fraction form
    100,055,374.20/150,083,061.30 = 99,098,780.40/x
  3. Step 3: Cross multiply
    100,055,374.20x = 150,083,061.30 × 99,098,780.40
  4. Step 4: Simplify right side
    100,055,374.20x = 14,873,048,333,528,440
  5. Step 5: Solve for x
    x = 14,873,048,333,528,440/100,055,374.20
  6. Step 6: Final answer
    x = 148,648,170.60

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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.