Home / 130,046,367.51-179,290,376.30-103,312,401.75

Finding the Fourth Proportional to 130,046,367.51, 179,290,376.30 and 103,312,401.75

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Solution

The fourth proportional to 130,046,367.51, 179,290,376.30 and 103,312,401.75 is: 142,433,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046,367.51 : 179,290,376.30 = 103,312,401.75 : x
  2. Step 2: Convert to fraction form
    130,046,367.51/179,290,376.30 = 103,312,401.75/x
  3. Step 3: Cross multiply
    130,046,367.51x = 179,290,376.30 × 103,312,401.75
  4. Step 4: Simplify right side
    130,046,367.51x = 18,522,919,386,472,560
  5. Step 5: Solve for x
    x = 18,522,919,386,472,560/130,046,367.51
  6. Step 6: Final answer
    x = 142,433,193.18

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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.