Home / 130,419,590.40-194,652,761.04-128,267,051.04

Finding the Fourth Proportional to 130,419,590.40, 194,652,761.04 and 128,267,051.04

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Solution

The fourth proportional to 130,419,590.40, 194,652,761.04 and 128,267,051.04 is: 191,440,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,419,590.40 : 194,652,761.04 = 128,267,051.04 : x
  2. Step 2: Convert to fraction form
    130,419,590.40/194,652,761.04 = 128,267,051.04/x
  3. Step 3: Cross multiply
    130,419,590.40x = 194,652,761.04 × 128,267,051.04
  4. Step 4: Simplify right side
    130,419,590.40x = 24,967,535,635,394,604
  5. Step 5: Solve for x
    x = 24,967,535,635,394,604/130,419,590.40
  6. Step 6: Final answer
    x = 191,440,070.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.