Home / 156,829,868.70-235,244,803.05-80,127,404.70

Finding the Fourth Proportional to 156,829,868.70, 235,244,803.05 and 80,127,404.70

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Solution

The fourth proportional to 156,829,868.70, 235,244,803.05 and 80,127,404.70 is: 120,191,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,829,868.70 : 235,244,803.05 = 80,127,404.70 : x
  2. Step 2: Convert to fraction form
    156,829,868.70/235,244,803.05 = 80,127,404.70/x
  3. Step 3: Cross multiply
    156,829,868.70x = 235,244,803.05 × 80,127,404.70
  4. Step 4: Simplify right side
    156,829,868.70x = 18,849,555,537,559,144
  5. Step 5: Solve for x
    x = 18,849,555,537,559,144/156,829,868.70
  6. Step 6: Final answer
    x = 120,191,107.05

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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.