Home / 130,369,432.42-179,925,458.25-78,187,176.10

Finding the Fourth Proportional to 130,369,432.42, 179,925,458.25 and 78,187,176.10

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Solution

The fourth proportional to 130,369,432.42, 179,925,458.25 and 78,187,176.10 is: 107,907,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,369,432.42 : 179,925,458.25 = 78,187,176.10 : x
  2. Step 2: Convert to fraction form
    130,369,432.42/179,925,458.25 = 78,187,176.10/x
  3. Step 3: Cross multiply
    130,369,432.42x = 179,925,458.25 × 78,187,176.10
  4. Step 4: Simplify right side
    130,369,432.42x = 14,067,863,489,065,946
  5. Step 5: Solve for x
    x = 14,067,863,489,065,946/130,369,432.42
  6. Step 6: Final answer
    x = 107,907,683.79

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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.