Home / 144,010,967.19-198,713,756.52-87,466,288.34

Finding the Fourth Proportional to 144,010,967.19, 198,713,756.52 and 87,466,288.34

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Solution

The fourth proportional to 144,010,967.19, 198,713,756.52 and 87,466,288.34 is: 120,690,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,967.19 : 198,713,756.52 = 87,466,288.34 : x
  2. Step 2: Convert to fraction form
    144,010,967.19/198,713,756.52 = 87,466,288.34/x
  3. Step 3: Cross multiply
    144,010,967.19x = 198,713,756.52 × 87,466,288.34
  4. Step 4: Simplify right side
    144,010,967.19x = 17,380,754,724,902,876
  5. Step 5: Solve for x
    x = 17,380,754,724,902,876/144,010,967.19
  6. Step 6: Final answer
    x = 120,690,493.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.