Home / 145,692,001.20-218,532,947.40-36,518,127.60

Finding the Fourth Proportional to 145,692,001.20, 218,532,947.40 and 36,518,127.60

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Solution

The fourth proportional to 145,692,001.20, 218,532,947.40 and 36,518,127.60 is: 54,775,924.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,692,001.20 : 218,532,947.40 = 36,518,127.60 : x
  2. Step 2: Convert to fraction form
    145,692,001.20/218,532,947.40 = 36,518,127.60/x
  3. Step 3: Cross multiply
    145,692,001.20x = 218,532,947.40 × 36,518,127.60
  4. Step 4: Simplify right side
    145,692,001.20x = 7,980,414,057,957,289
  5. Step 5: Solve for x
    x = 7,980,414,057,957,289/145,692,001.20
  6. Step 6: Final answer
    x = 54,775,924.50

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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.