Home / 229,849,221.90-344,773,832.85-76,500,281.10

Finding the Fourth Proportional to 229,849,221.90, 344,773,832.85 and 76,500,281.10

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Solution

The fourth proportional to 229,849,221.90, 344,773,832.85 and 76,500,281.10 is: 114,750,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,849,221.90 : 344,773,832.85 = 76,500,281.10 : x
  2. Step 2: Convert to fraction form
    229,849,221.90/344,773,832.85 = 76,500,281.10/x
  3. Step 3: Cross multiply
    229,849,221.90x = 344,773,832.85 × 76,500,281.10
  4. Step 4: Simplify right side
    229,849,221.90x = 26,375,295,128,949,412
  5. Step 5: Solve for x
    x = 26,375,295,128,949,412/229,849,221.90
  6. Step 6: Final answer
    x = 114,750,421.65

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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.