Home / 235,008,154.72-352,572,029.52-138,045,867.04

Finding the Fourth Proportional to 235,008,154.72, 352,572,029.52 and 138,045,867.04

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Solution

The fourth proportional to 235,008,154.72, 352,572,029.52 and 138,045,867.04 is: 207,103,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,008,154.72 : 352,572,029.52 = 138,045,867.04 : x
  2. Step 2: Convert to fraction form
    235,008,154.72/352,572,029.52 = 138,045,867.04/x
  3. Step 3: Cross multiply
    235,008,154.72x = 352,572,029.52 × 138,045,867.04
  4. Step 4: Simplify right side
    235,008,154.72x = 48,671,111,509,140,872
  5. Step 5: Solve for x
    x = 48,671,111,509,140,872/235,008,154.72
  6. Step 6: Final answer
    x = 207,103,926.10

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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.