Home / 98,172,001.35-147,258,002.03-30,014,693.10

Finding the Fourth Proportional to 98,172,001.35, 147,258,002.03 and 30,014,693.10

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Solution

The fourth proportional to 98,172,001.35, 147,258,002.03 and 30,014,693.10 is: 45,022,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172,001.35 : 147,258,002.03 = 30,014,693.10 : x
  2. Step 2: Convert to fraction form
    98,172,001.35/147,258,002.03 = 30,014,693.10/x
  3. Step 3: Cross multiply
    98,172,001.35x = 147,258,002.03 × 30,014,693.10
  4. Step 4: Simplify right side
    98,172,001.35x = 4,419,903,737,299,554
  5. Step 5: Solve for x
    x = 4,419,903,737,299,554/98,172,001.35
  6. Step 6: Final answer
    x = 45,022,039.65

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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.