Home / 65,616,006.30-98,424,009.45-20,177,727.90

Finding the Fourth Proportional to 65,616,006.30, 98,424,009.45 and 20,177,727.90

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Solution

The fourth proportional to 65,616,006.30, 98,424,009.45 and 20,177,727.90 is: 30,266,591.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,616,006.30 : 98,424,009.45 = 20,177,727.90 : x
  2. Step 2: Convert to fraction form
    65,616,006.30/98,424,009.45 = 20,177,727.90/x
  3. Step 3: Cross multiply
    65,616,006.30x = 98,424,009.45 × 20,177,727.90
  4. Step 4: Simplify right side
    65,616,006.30x = 1,985,972,881,509,128.50
  5. Step 5: Solve for x
    x = 1,985,972,881,509,128.50/65,616,006.30
  6. Step 6: Final answer
    x = 30,266,591.85

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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.