Home / 251,924,871.60-377,887,307.40-208,878,150.60

Finding the Fourth Proportional to 251,924,871.60, 377,887,307.40 and 208,878,150.60

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Solution

The fourth proportional to 251,924,871.60, 377,887,307.40 and 208,878,150.60 is: 313,317,225.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,924,871.60 : 377,887,307.40 = 208,878,150.60 : x
  2. Step 2: Convert to fraction form
    251,924,871.60/377,887,307.40 = 208,878,150.60/x
  3. Step 3: Cross multiply
    251,924,871.60x = 377,887,307.40 × 208,878,150.60
  4. Step 4: Simplify right side
    251,924,871.60x = 78,932,401,904,925,680
  5. Step 5: Solve for x
    x = 78,932,401,904,925,680/251,924,871.60
  6. Step 6: Final answer
    x = 313,317,225.90

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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.