Home / 82,817,246.40-124,225,869.60-56,989,213.80

Finding the Fourth Proportional to 82,817,246.40, 124,225,869.60 and 56,989,213.80

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Solution

The fourth proportional to 82,817,246.40, 124,225,869.60 and 56,989,213.80 is: 85,483,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,817,246.40 : 124,225,869.60 = 56,989,213.80 : x
  2. Step 2: Convert to fraction form
    82,817,246.40/124,225,869.60 = 56,989,213.80/x
  3. Step 3: Cross multiply
    82,817,246.40x = 124,225,869.60 × 56,989,213.80
  4. Step 4: Simplify right side
    82,817,246.40x = 7,079,534,642,125,320
  5. Step 5: Solve for x
    x = 7,079,534,642,125,320/82,817,246.40
  6. Step 6: Final answer
    x = 85,483,820.70

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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.