Home / 55,746,013.20-83,619,019.80-30,236,845.20

Finding the Fourth Proportional to 55,746,013.20, 83,619,019.80 and 30,236,845.20

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Solution

The fourth proportional to 55,746,013.20, 83,619,019.80 and 30,236,845.20 is: 45,355,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,746,013.20 : 83,619,019.80 = 30,236,845.20 : x
  2. Step 2: Convert to fraction form
    55,746,013.20/83,619,019.80 = 30,236,845.20/x
  3. Step 3: Cross multiply
    55,746,013.20x = 83,619,019.80 × 30,236,845.20
  4. Step 4: Simplify right side
    55,746,013.20x = 2,528,375,357,468,335
  5. Step 5: Solve for x
    x = 2,528,375,357,468,335/55,746,013.20
  6. Step 6: Final answer
    x = 45,355,267.80

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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.