Home / 48,144,902.28-72,172,425.36-18,998,982.63

Finding the Fourth Proportional to 48,144,902.28, 72,172,425.36 and 18,998,982.63

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Solution

The fourth proportional to 48,144,902.28, 72,172,425.36 and 18,998,982.63 is: 28,480,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144,902.28 : 72,172,425.36 = 18,998,982.63 : x
  2. Step 2: Convert to fraction form
    48,144,902.28/72,172,425.36 = 18,998,982.63/x
  3. Step 3: Cross multiply
    48,144,902.28x = 72,172,425.36 × 18,998,982.63
  4. Step 4: Simplify right side
    48,144,902.28x = 1,371,202,655,779,611.50
  5. Step 5: Solve for x
    x = 1,371,202,655,779,611.50/48,144,902.28
  6. Step 6: Final answer
    x = 28,480,744.40

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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.