Home / 132,112,030.10-198,168,045.15-104,902,250.90

Finding the Fourth Proportional to 132,112,030.10, 198,168,045.15 and 104,902,250.90

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Solution

The fourth proportional to 132,112,030.10, 198,168,045.15 and 104,902,250.90 is: 157,353,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,112,030.10 : 198,168,045.15 = 104,902,250.90 : x
  2. Step 2: Convert to fraction form
    132,112,030.10/198,168,045.15 = 104,902,250.90/x
  3. Step 3: Cross multiply
    132,112,030.10x = 198,168,045.15 × 104,902,250.90
  4. Step 4: Simplify right side
    132,112,030.10x = 20,788,273,992,687,828
  5. Step 5: Solve for x
    x = 20,788,273,992,687,828/132,112,030.10
  6. Step 6: Final answer
    x = 157,353,376.35

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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.