Home / 130,046,375.76-179,290,387.65-103,312,410.04

Finding the Fourth Proportional to 130,046,375.76, 179,290,387.65 and 103,312,410.04

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Solution

The fourth proportional to 130,046,375.76, 179,290,387.65 and 103,312,410.04 is: 142,433,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046,375.76 : 179,290,387.65 = 103,312,410.04 : x
  2. Step 2: Convert to fraction form
    130,046,375.76/179,290,387.65 = 103,312,410.04/x
  3. Step 3: Cross multiply
    130,046,375.76x = 179,290,387.65 × 103,312,410.04
  4. Step 4: Simplify right side
    130,046,375.76x = 18,522,922,045,127,352
  5. Step 5: Solve for x
    x = 18,522,922,045,127,352/130,046,375.76
  6. Step 6: Final answer
    x = 142,433,204.59

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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.