Home / 112,969,230.90-155,888,982.98-63,400,031.16

Finding the Fourth Proportional to 112,969,230.90, 155,888,982.98 and 63,400,031.16

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Solution

The fourth proportional to 112,969,230.90, 155,888,982.98 and 63,400,031.16 is: 87,487,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,969,230.90 : 155,888,982.98 = 63,400,031.16 : x
  2. Step 2: Convert to fraction form
    112,969,230.90/155,888,982.98 = 63,400,031.16/x
  3. Step 3: Cross multiply
    112,969,230.90x = 155,888,982.98 × 63,400,031.16
  4. Step 4: Simplify right side
    112,969,230.90x = 9,883,366,378,432,708
  5. Step 5: Solve for x
    x = 9,883,366,378,432,708/112,969,230.90
  6. Step 6: Final answer
    x = 87,487,241.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.