Home / 130,575,613.60-195,695,458.80-79,403,312.80

Finding the Fourth Proportional to 130,575,613.60, 195,695,458.80 and 79,403,312.80

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Solution

The fourth proportional to 130,575,613.60, 195,695,458.80 and 79,403,312.80 is: 119,002,831.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,575,613.60 : 195,695,458.80 = 79,403,312.80 : x
  2. Step 2: Convert to fraction form
    130,575,613.60/195,695,458.80 = 79,403,312.80/x
  3. Step 3: Cross multiply
    130,575,613.60x = 195,695,458.80 × 79,403,312.80
  4. Step 4: Simplify right side
    130,575,613.60x = 15,538,867,728,635,914
  5. Step 5: Solve for x
    x = 15,538,867,728,635,914/130,575,613.60
  6. Step 6: Final answer
    x = 119,002,831.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.