Home / 82,448,001.70-123,672,002.55-28,595,313.70

Finding the Fourth Proportional to 82,448,001.70, 123,672,002.55 and 28,595,313.70

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Solution

The fourth proportional to 82,448,001.70, 123,672,002.55 and 28,595,313.70 is: 42,892,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,448,001.70 : 123,672,002.55 = 28,595,313.70 : x
  2. Step 2: Convert to fraction form
    82,448,001.70/123,672,002.55 = 28,595,313.70/x
  3. Step 3: Cross multiply
    82,448,001.70x = 123,672,002.55 × 28,595,313.70
  4. Step 4: Simplify right side
    82,448,001.70x = 3,536,439,708,824,450
  5. Step 5: Solve for x
    x = 3,536,439,708,824,450/82,448,001.70
  6. Step 6: Final answer
    x = 42,892,970.55

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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.