Home / 82,790,147.40-124,185,221.10-56,962,114.80

Finding the Fourth Proportional to 82,790,147.40, 124,185,221.10 and 56,962,114.80

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Solution

The fourth proportional to 82,790,147.40, 124,185,221.10 and 56,962,114.80 is: 85,443,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,790,147.40 : 124,185,221.10 = 56,962,114.80 : x
  2. Step 2: Convert to fraction form
    82,790,147.40/124,185,221.10 = 56,962,114.80/x
  3. Step 3: Cross multiply
    82,790,147.40x = 124,185,221.10 × 56,962,114.80
  4. Step 4: Simplify right side
    82,790,147.40x = 7,073,852,820,761,582
  5. Step 5: Solve for x
    x = 7,073,852,820,761,582/82,790,147.40
  6. Step 6: Final answer
    x = 85,443,172.20

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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.