Home / 130,016,756.48-179,423,080.72-71,278,161.48

Finding the Fourth Proportional to 130,016,756.48, 179,423,080.72 and 71,278,161.48

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Solution

The fourth proportional to 130,016,756.48, 179,423,080.72 and 71,278,161.48 is: 98,363,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016,756.48 : 179,423,080.72 = 71,278,161.48 : x
  2. Step 2: Convert to fraction form
    130,016,756.48/179,423,080.72 = 71,278,161.48/x
  3. Step 3: Cross multiply
    130,016,756.48x = 179,423,080.72 × 71,278,161.48
  4. Step 4: Simplify right side
    130,016,756.48x = 12,788,947,320,799,236
  5. Step 5: Solve for x
    x = 12,788,947,320,799,236/130,016,756.48
  6. Step 6: Final answer
    x = 98,363,839.15

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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.