Home / 156,630,830.90-233,796,517.22-145,087,932.38

Finding the Fourth Proportional to 156,630,830.90, 233,796,517.22 and 145,087,932.38

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Solution

The fourth proportional to 156,630,830.90, 233,796,517.22 and 145,087,932.38 is: 216,566,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630,830.90 : 233,796,517.22 = 145,087,932.38 : x
  2. Step 2: Convert to fraction form
    156,630,830.90/233,796,517.22 = 145,087,932.38/x
  3. Step 3: Cross multiply
    156,630,830.90x = 233,796,517.22 × 145,087,932.38
  4. Step 4: Simplify right side
    156,630,830.90x = 33,921,053,280,288,604
  5. Step 5: Solve for x
    x = 33,921,053,280,288,604/156,630,830.90
  6. Step 6: Final answer
    x = 216,566,898.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.