Home / 66,515,972.40-99,724,192.20-36,258,001.20

Finding the Fourth Proportional to 66,515,972.40, 99,724,192.20 and 36,258,001.20

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Solution

The fourth proportional to 66,515,972.40, 99,724,192.20 and 36,258,001.20 is: 54,359,874.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,515,972.40 : 99,724,192.20 = 36,258,001.20 : x
  2. Step 2: Convert to fraction form
    66,515,972.40/99,724,192.20 = 36,258,001.20/x
  3. Step 3: Cross multiply
    66,515,972.40x = 99,724,192.20 × 36,258,001.20
  4. Step 4: Simplify right side
    66,515,972.40x = 3,615,799,880,456,631
  5. Step 5: Solve for x
    x = 3,615,799,880,456,631/66,515,972.40
  6. Step 6: Final answer
    x = 54,359,874.03

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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.