Home / 85,214,971.20-127,822,456.80-59,138,932.80

Finding the Fourth Proportional to 85,214,971.20, 127,822,456.80 and 59,138,932.80

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Solution

The fourth proportional to 85,214,971.20, 127,822,456.80 and 59,138,932.80 is: 88,708,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,214,971.20 : 127,822,456.80 = 59,138,932.80 : x
  2. Step 2: Convert to fraction form
    85,214,971.20/127,822,456.80 = 59,138,932.80/x
  3. Step 3: Cross multiply
    85,214,971.20x = 127,822,456.80 × 59,138,932.80
  4. Step 4: Simplify right side
    85,214,971.20x = 7,559,283,683,026,102
  5. Step 5: Solve for x
    x = 7,559,283,683,026,102/85,214,971.20
  6. Step 6: Final answer
    x = 88,708,399.20

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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.