Home / 140,448,354.84-210,442,474.80-74,799,792.56

Finding the Fourth Proportional to 140,448,354.84, 210,442,474.80 and 74,799,792.56

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Solution

The fourth proportional to 140,448,354.84, 210,442,474.80 and 74,799,792.56 is: 112,077,165.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448,354.84 : 210,442,474.80 = 74,799,792.56 : x
  2. Step 2: Convert to fraction form
    140,448,354.84/210,442,474.80 = 74,799,792.56/x
  3. Step 3: Cross multiply
    140,448,354.84x = 210,442,474.80 × 74,799,792.56
  4. Step 4: Simplify right side
    140,448,354.84x = 15,741,053,460,853,028
  5. Step 5: Solve for x
    x = 15,741,053,460,853,028/140,448,354.84
  6. Step 6: Final answer
    x = 112,077,165.15

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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.