Home / 149,547,024.09-206,375,178.87-82,566,111.78

Finding the Fourth Proportional to 149,547,024.09, 206,375,178.87 and 82,566,111.78

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Solution

The fourth proportional to 149,547,024.09, 206,375,178.87 and 82,566,111.78 is: 113,941,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,547,024.09 : 206,375,178.87 = 82,566,111.78 : x
  2. Step 2: Convert to fraction form
    149,547,024.09/206,375,178.87 = 82,566,111.78/x
  3. Step 3: Cross multiply
    149,547,024.09x = 206,375,178.87 × 82,566,111.78
  4. Step 4: Simplify right side
    149,547,024.09x = 17,039,596,087,197,914
  5. Step 5: Solve for x
    x = 17,039,596,087,197,914/149,547,024.09
  6. Step 6: Final answer
    x = 113,941,391.95

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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.