Home / 83,533,818.40-125,300,727.60-77,865,114.40

Finding the Fourth Proportional to 83,533,818.40, 125,300,727.60 and 77,865,114.40

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Solution

The fourth proportional to 83,533,818.40, 125,300,727.60 and 77,865,114.40 is: 116,797,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,533,818.40 : 125,300,727.60 = 77,865,114.40 : x
  2. Step 2: Convert to fraction form
    83,533,818.40/125,300,727.60 = 77,865,114.40/x
  3. Step 3: Cross multiply
    83,533,818.40x = 125,300,727.60 × 77,865,114.40
  4. Step 4: Simplify right side
    83,533,818.40x = 9,756,555,488,977,238
  5. Step 5: Solve for x
    x = 9,756,555,488,977,238/83,533,818.40
  6. Step 6: Final answer
    x = 116,797,671.60

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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.