Home / 119,632,938.40-179,449,407.60-38,862,071.20

Finding the Fourth Proportional to 119,632,938.40, 179,449,407.60 and 38,862,071.20

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Solution

The fourth proportional to 119,632,938.40, 179,449,407.60 and 38,862,071.20 is: 58,293,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,632,938.40 : 179,449,407.60 = 38,862,071.20 : x
  2. Step 2: Convert to fraction form
    119,632,938.40/179,449,407.60 = 38,862,071.20/x
  3. Step 3: Cross multiply
    119,632,938.40x = 179,449,407.60 × 38,862,071.20
  4. Step 4: Simplify right side
    119,632,938.40x = 6,973,775,654,949,021
  5. Step 5: Solve for x
    x = 6,973,775,654,949,021/119,632,938.40
  6. Step 6: Final answer
    x = 58,293,106.80

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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.