Home / 138,300,927.80-207,451,391.70-130,364,742.20

Finding the Fourth Proportional to 138,300,927.80, 207,451,391.70 and 130,364,742.20

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Solution

The fourth proportional to 138,300,927.80, 207,451,391.70 and 130,364,742.20 is: 195,547,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,300,927.80 : 207,451,391.70 = 130,364,742.20 : x
  2. Step 2: Convert to fraction form
    138,300,927.80/207,451,391.70 = 130,364,742.20/x
  3. Step 3: Cross multiply
    138,300,927.80x = 207,451,391.70 × 130,364,742.20
  4. Step 4: Simplify right side
    138,300,927.80x = 27,044,347,198,001,720
  5. Step 5: Solve for x
    x = 27,044,347,198,001,720/138,300,927.80
  6. Step 6: Final answer
    x = 195,547,113.30

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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.