Home / 84,820,031.40-127,230,047.10-41,695,890.60

Finding the Fourth Proportional to 84,820,031.40, 127,230,047.10 and 41,695,890.60

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Solution

The fourth proportional to 84,820,031.40, 127,230,047.10 and 41,695,890.60 is: 62,543,835.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,820,031.40 : 127,230,047.10 = 41,695,890.60 : x
  2. Step 2: Convert to fraction form
    84,820,031.40/127,230,047.10 = 41,695,890.60/x
  3. Step 3: Cross multiply
    84,820,031.40x = 127,230,047.10 × 41,695,890.60
  4. Step 4: Simplify right side
    84,820,031.40x = 5,304,970,124,914,447
  5. Step 5: Solve for x
    x = 5,304,970,124,914,447/84,820,031.40
  6. Step 6: Final answer
    x = 62,543,835.90

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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.