Home / 143,705,602.80-215,558,404.20-70,957,234.80

Finding the Fourth Proportional to 143,705,602.80, 215,558,404.20 and 70,957,234.80

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Solution

The fourth proportional to 143,705,602.80, 215,558,404.20 and 70,957,234.80 is: 106,435,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,705,602.80 : 215,558,404.20 = 70,957,234.80 : x
  2. Step 2: Convert to fraction form
    143,705,602.80/215,558,404.20 = 70,957,234.80/x
  3. Step 3: Cross multiply
    143,705,602.80x = 215,558,404.20 × 70,957,234.80
  4. Step 4: Simplify right side
    143,705,602.80x = 15,295,428,299,932,704
  5. Step 5: Solve for x
    x = 15,295,428,299,932,704/143,705,602.80
  6. Step 6: Final answer
    x = 106,435,852.20

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1.5x scale

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.