Home / 130,326,814.40-195,490,221.60-103,253,892.80

Finding the Fourth Proportional to 130,326,814.40, 195,490,221.60 and 103,253,892.80

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Solution

The fourth proportional to 130,326,814.40, 195,490,221.60 and 103,253,892.80 is: 154,880,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,326,814.40 : 195,490,221.60 = 103,253,892.80 : x
  2. Step 2: Convert to fraction form
    130,326,814.40/195,490,221.60 = 103,253,892.80/x
  3. Step 3: Cross multiply
    130,326,814.40x = 195,490,221.60 × 103,253,892.80
  4. Step 4: Simplify right side
    130,326,814.40x = 20,185,126,384,534,644
  5. Step 5: Solve for x
    x = 20,185,126,384,534,644/130,326,814.40
  6. Step 6: Final answer
    x = 154,880,839.20

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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.