Home / 114,936,666.90-172,488,981.15-80,924,442.90

Finding the Fourth Proportional to 114,936,666.90, 172,488,981.15 and 80,924,442.90

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Solution

The fourth proportional to 114,936,666.90, 172,488,981.15 and 80,924,442.90 is: 121,445,793.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,936,666.90 : 172,488,981.15 = 80,924,442.90 : x
  2. Step 2: Convert to fraction form
    114,936,666.90/172,488,981.15 = 80,924,442.90/x
  3. Step 3: Cross multiply
    114,936,666.90x = 172,488,981.15 × 80,924,442.90
  4. Step 4: Simplify right side
    114,936,666.90x = 13,958,574,705,952,352
  5. Step 5: Solve for x
    x = 13,958,574,705,952,352/114,936,666.90
  6. Step 6: Final answer
    x = 121,445,793.43

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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.