Home / 130,046,366.89-179,290,375.42-103,312,401.15

Finding the Fourth Proportional to 130,046,366.89, 179,290,375.42 and 103,312,401.15

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Solution

The fourth proportional to 130,046,366.89, 179,290,375.42 and 103,312,401.15 is: 142,433,192.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046,366.89 : 179,290,375.42 = 103,312,401.15 : x
  2. Step 2: Convert to fraction form
    130,046,366.89/179,290,375.42 = 103,312,401.15/x
  3. Step 3: Cross multiply
    130,046,366.89x = 179,290,375.42 × 103,312,401.15
  4. Step 4: Simplify right side
    130,046,366.89x = 18,522,919,187,208,576
  5. Step 5: Solve for x
    x = 18,522,919,187,208,576/130,046,366.89
  6. Step 6: Final answer
    x = 142,433,192.34

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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.