Home / 108,660,936.80-162,999,278.40-65,437,068.80

Finding the Fourth Proportional to 108,660,936.80, 162,999,278.40 and 65,437,068.80

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Solution

The fourth proportional to 108,660,936.80, 162,999,278.40 and 65,437,068.80 is: 98,160,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,660,936.80 : 162,999,278.40 = 65,437,068.80 : x
  2. Step 2: Convert to fraction form
    108,660,936.80/162,999,278.40 = 65,437,068.80/x
  3. Step 3: Cross multiply
    108,660,936.80x = 162,999,278.40 × 65,437,068.80
  4. Step 4: Simplify right side
    108,660,936.80x = 10,666,194,995,011,154
  5. Step 5: Solve for x
    x = 10,666,194,995,011,154/108,660,936.80
  6. Step 6: Final answer
    x = 98,160,344.55

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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.