Home / 238,223,009.40-357,334,514.10-65,726,446.20

Finding the Fourth Proportional to 238,223,009.40, 357,334,514.10 and 65,726,446.20

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Solution

The fourth proportional to 238,223,009.40, 357,334,514.10 and 65,726,446.20 is: 98,589,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,223,009.40 : 357,334,514.10 = 65,726,446.20 : x
  2. Step 2: Convert to fraction form
    238,223,009.40/357,334,514.10 = 65,726,446.20/x
  3. Step 3: Cross multiply
    238,223,009.40x = 357,334,514.10 × 65,726,446.20
  4. Step 4: Simplify right side
    238,223,009.40x = 23,486,327,716,396,796
  5. Step 5: Solve for x
    x = 23,486,327,716,396,796/238,223,009.40
  6. Step 6: Final answer
    x = 98,589,669.30

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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.