Home / 85,420,218.36-128,152,168.38-24,835,944.36

Finding the Fourth Proportional to 85,420,218.36, 128,152,168.38 and 24,835,944.36

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Solution

The fourth proportional to 85,420,218.36, 128,152,168.38 and 24,835,944.36 is: 37,260,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,420,218.36 : 128,152,168.38 = 24,835,944.36 : x
  2. Step 2: Convert to fraction form
    85,420,218.36/128,152,168.38 = 24,835,944.36/x
  3. Step 3: Cross multiply
    85,420,218.36x = 128,152,168.38 × 24,835,944.36
  4. Step 4: Simplify right side
    85,420,218.36x = 3,182,780,123,499,031
  5. Step 5: Solve for x
    x = 3,182,780,123,499,031/85,420,218.36
  6. Step 6: Final answer
    x = 37,260,266.77

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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.