Home / 80,903,854.40-121,178,834.40-62,811,003.20

Finding the Fourth Proportional to 80,903,854.40, 121,178,834.40 and 62,811,003.20

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Solution

The fourth proportional to 80,903,854.40, 121,178,834.40 and 62,811,003.20 is: 94,079,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903,854.40 : 121,178,834.40 = 62,811,003.20 : x
  2. Step 2: Convert to fraction form
    80,903,854.40/121,178,834.40 = 62,811,003.20/x
  3. Step 3: Cross multiply
    80,903,854.40x = 121,178,834.40 × 62,811,003.20
  4. Step 4: Simplify right side
    80,903,854.40x = 7,611,364,155,270,671
  5. Step 5: Solve for x
    x = 7,611,364,155,270,671/80,903,854.40
  6. Step 6: Final answer
    x = 94,079,129.01

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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.