Home / 123,488,316.24-170,452,036.71-79,435,316.04

Finding the Fourth Proportional to 123,488,316.24, 170,452,036.71 and 79,435,316.04

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Solution

The fourth proportional to 123,488,316.24, 170,452,036.71 and 79,435,316.04 is: 109,645,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,488,316.24 : 170,452,036.71 = 79,435,316.04 : x
  2. Step 2: Convert to fraction form
    123,488,316.24/170,452,036.71 = 79,435,316.04/x
  3. Step 3: Cross multiply
    123,488,316.24x = 170,452,036.71 × 79,435,316.04
  4. Step 4: Simplify right side
    123,488,316.24x = 13,539,911,405,720,534
  5. Step 5: Solve for x
    x = 13,539,911,405,720,534/123,488,316.24
  6. Step 6: Final answer
    x = 109,645,283.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.