Home / 156,565,113.38-216,046,992.88-85,997,076.65

Finding the Fourth Proportional to 156,565,113.38, 216,046,992.88 and 85,997,076.65

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Solution

The fourth proportional to 156,565,113.38, 216,046,992.88 and 85,997,076.65 is: 118,668,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,565,113.38 : 216,046,992.88 = 85,997,076.65 : x
  2. Step 2: Convert to fraction form
    156,565,113.38/216,046,992.88 = 85,997,076.65/x
  3. Step 3: Cross multiply
    156,565,113.38x = 216,046,992.88 × 85,997,076.65
  4. Step 4: Simplify right side
    156,565,113.38x = 18,579,409,807,272,764
  5. Step 5: Solve for x
    x = 18,579,409,807,272,764/156,565,113.38
  6. Step 6: Final answer
    x = 118,668,900.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.