Home / 83,810,435.20-115,657,239.36-47,141,031.04

Finding the Fourth Proportional to 83,810,435.20, 115,657,239.36 and 47,141,031.04

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Solution

The fourth proportional to 83,810,435.20, 115,657,239.36 and 47,141,031.04 is: 65,053,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,810,435.20 : 115,657,239.36 = 47,141,031.04 : x
  2. Step 2: Convert to fraction form
    83,810,435.20/115,657,239.36 = 47,141,031.04/x
  3. Step 3: Cross multiply
    83,810,435.20x = 115,657,239.36 × 47,141,031.04
  4. Step 4: Simplify right side
    83,810,435.20x = 5,452,201,510,670,470
  5. Step 5: Solve for x
    x = 5,452,201,510,670,470/83,810,435.20
  6. Step 6: Final answer
    x = 65,053,969.68

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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.