Home / 140,448,348.33-210,442,465.08-74,799,786.03

Finding the Fourth Proportional to 140,448,348.33, 210,442,465.08 and 74,799,786.03

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Solution

The fourth proportional to 140,448,348.33, 210,442,465.08 and 74,799,786.03 is: 112,077,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,448,348.33 : 210,442,465.08 = 74,799,786.03 : x
  2. Step 2: Convert to fraction form
    140,448,348.33/210,442,465.08 = 74,799,786.03/x
  3. Step 3: Cross multiply
    140,448,348.33x = 210,442,465.08 × 74,799,786.03
  4. Step 4: Simplify right side
    140,448,348.33x = 15,741,051,359,609,748
  5. Step 5: Solve for x
    x = 15,741,051,359,609,748/140,448,348.33
  6. Step 6: Final answer
    x = 112,077,155.39

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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.