Home / 235,164,079.86-352,754,051.13-81,811,406.58

Finding the Fourth Proportional to 235,164,079.86, 352,754,051.13 and 81,811,406.58

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Solution

The fourth proportional to 235,164,079.86, 352,754,051.13 and 81,811,406.58 is: 122,719,869.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,164,079.86 : 352,754,051.13 = 81,811,406.58 : x
  2. Step 2: Convert to fraction form
    235,164,079.86/352,754,051.13 = 81,811,406.58/x
  3. Step 3: Cross multiply
    235,164,079.86x = 352,754,051.13 × 81,811,406.58
  4. Step 4: Simplify right side
    235,164,079.86x = 28,859,305,099,738,536
  5. Step 5: Solve for x
    x = 28,859,305,099,738,536/235,164,079.86
  6. Step 6: Final answer
    x = 122,719,869.11

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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.