Home / 108,658,378.80-162,995,441.40-65,434,510.80

Finding the Fourth Proportional to 108,658,378.80, 162,995,441.40 and 65,434,510.80

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Solution

The fourth proportional to 108,658,378.80, 162,995,441.40 and 65,434,510.80 is: 98,156,507.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,658,378.80 : 162,995,441.40 = 65,434,510.80 : x
  2. Step 2: Convert to fraction form
    108,658,378.80/162,995,441.40 = 65,434,510.80/x
  3. Step 3: Cross multiply
    108,658,378.80x = 162,995,441.40 × 65,434,510.80
  4. Step 4: Simplify right side
    108,658,378.80x = 10,665,526,970,639,068
  5. Step 5: Solve for x
    x = 10,665,526,970,639,068/108,658,378.80
  6. Step 6: Final answer
    x = 98,156,507.47

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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.