Home / 55,767,901.20-83,651,851.80-19,867,280.40

Finding the Fourth Proportional to 55,767,901.20, 83,651,851.80 and 19,867,280.40

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Solution

The fourth proportional to 55,767,901.20, 83,651,851.80 and 19,867,280.40 is: 29,800,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,767,901.20 : 83,651,851.80 = 19,867,280.40 : x
  2. Step 2: Convert to fraction form
    55,767,901.20/83,651,851.80 = 19,867,280.40/x
  3. Step 3: Cross multiply
    55,767,901.20x = 83,651,851.80 × 19,867,280.40
  4. Step 4: Simplify right side
    55,767,901.20x = 1,661,934,795,689,844.50
  5. Step 5: Solve for x
    x = 1,661,934,795,689,844.50/55,767,901.20
  6. Step 6: Final answer
    x = 29,800,920.60

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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.