Home / 99,299,419.70-148,949,129.55-31,142,002.10

Finding the Fourth Proportional to 99,299,419.70, 148,949,129.55 and 31,142,002.10

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Solution

The fourth proportional to 99,299,419.70, 148,949,129.55 and 31,142,002.10 is: 46,713,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299,419.70 : 148,949,129.55 = 31,142,002.10 : x
  2. Step 2: Convert to fraction form
    99,299,419.70/148,949,129.55 = 31,142,002.10/x
  3. Step 3: Cross multiply
    99,299,419.70x = 148,949,129.55 × 31,142,002.10
  4. Step 4: Simplify right side
    99,299,419.70x = 4,638,574,105,239,273
  5. Step 5: Solve for x
    x = 4,638,574,105,239,273/99,299,419.70
  6. Step 6: Final answer
    x = 46,713,003.15

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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.