Home / 53,992,891.20-80,996,440.80-19,938,158.40

Finding the Fourth Proportional to 53,992,891.20, 80,996,440.80 and 19,938,158.40

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Solution

The fourth proportional to 53,992,891.20, 80,996,440.80 and 19,938,158.40 is: 29,909,860.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,992,891.20 : 80,996,440.80 = 19,938,158.40 : x
  2. Step 2: Convert to fraction form
    53,992,891.20/80,996,440.80 = 19,938,158.40/x
  3. Step 3: Cross multiply
    53,992,891.20x = 80,996,440.80 × 19,938,158.40
  4. Step 4: Simplify right side
    53,992,891.20x = 1,614,919,866,506,622.50
  5. Step 5: Solve for x
    x = 1,614,919,866,506,622.50/53,992,891.20
  6. Step 6: Final answer
    x = 29,909,860.92

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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.