Home / 119,955,287.20-179,932,930.80-74,605,655.20

Finding the Fourth Proportional to 119,955,287.20, 179,932,930.80 and 74,605,655.20

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Solution

The fourth proportional to 119,955,287.20, 179,932,930.80 and 74,605,655.20 is: 111,908,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955,287.20 : 179,932,930.80 = 74,605,655.20 : x
  2. Step 2: Convert to fraction form
    119,955,287.20/179,932,930.80 = 74,605,655.20/x
  3. Step 3: Cross multiply
    119,955,287.20x = 179,932,930.80 × 74,605,655.20
  4. Step 4: Simplify right side
    119,955,287.20x = 13,424,014,194,390,262
  5. Step 5: Solve for x
    x = 13,424,014,194,390,262/119,955,287.20
  6. Step 6: Final answer
    x = 111,908,482.80

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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.