Home / 130,236,465.20-195,186,736.20-99,793,425.20

Finding the Fourth Proportional to 130,236,465.20, 195,186,736.20 and 99,793,425.20

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Solution

The fourth proportional to 130,236,465.20, 195,186,736.20 and 99,793,425.20 is: 149,561,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,236,465.20 : 195,186,736.20 = 99,793,425.20 : x
  2. Step 2: Convert to fraction form
    130,236,465.20/195,186,736.20 = 99,793,425.20/x
  3. Step 3: Cross multiply
    130,236,465.20x = 195,186,736.20 × 99,793,425.20
  4. Step 4: Simplify right side
    130,236,465.20x = 19,478,352,959,006,832
  5. Step 5: Solve for x
    x = 19,478,352,959,006,832/130,236,465.20
  6. Step 6: Final answer
    x = 149,561,437.57

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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.