Home / 238,476,867.60-357,715,301.40-129,354,315.60

Finding the Fourth Proportional to 238,476,867.60, 357,715,301.40 and 129,354,315.60

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Solution

The fourth proportional to 238,476,867.60, 357,715,301.40 and 129,354,315.60 is: 194,031,473.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,476,867.60 : 357,715,301.40 = 129,354,315.60 : x
  2. Step 2: Convert to fraction form
    238,476,867.60/357,715,301.40 = 129,354,315.60/x
  3. Step 3: Cross multiply
    238,476,867.60x = 357,715,301.40 × 129,354,315.60
  4. Step 4: Simplify right side
    238,476,867.60x = 46,272,017,992,244,720
  5. Step 5: Solve for x
    x = 46,272,017,992,244,720/238,476,867.60
  6. Step 6: Final answer
    x = 194,031,473.40

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1.5x scale

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.