Home / 130,160,948.41-179,621,616.06-71,424,596.46

Finding the Fourth Proportional to 130,160,948.41, 179,621,616.06 and 71,424,596.46

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Solution

The fourth proportional to 130,160,948.41, 179,621,616.06 and 71,424,596.46 is: 98,565,672.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,160,948.41 : 179,621,616.06 = 71,424,596.46 : x
  2. Step 2: Convert to fraction form
    130,160,948.41/179,621,616.06 = 71,424,596.46/x
  3. Step 3: Cross multiply
    130,160,948.41x = 179,621,616.06 × 71,424,596.46
  4. Step 4: Simplify right side
    130,160,948.41x = 12,829,401,442,578,554
  5. Step 5: Solve for x
    x = 12,829,401,442,578,554/130,160,948.41
  6. Step 6: Final answer
    x = 98,565,672.73

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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.