Home / 109,036,666.70-163,555,000.05-72,756,961.10

Finding the Fourth Proportional to 109,036,666.70, 163,555,000.05 and 72,756,961.10

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Solution

The fourth proportional to 109,036,666.70, 163,555,000.05 and 72,756,961.10 is: 109,135,441.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,036,666.70 : 163,555,000.05 = 72,756,961.10 : x
  2. Step 2: Convert to fraction form
    109,036,666.70/163,555,000.05 = 72,756,961.10/x
  3. Step 3: Cross multiply
    109,036,666.70x = 163,555,000.05 × 72,756,961.10
  4. Step 4: Simplify right side
    109,036,666.70x = 11,899,764,776,348,348
  5. Step 5: Solve for x
    x = 11,899,764,776,348,348/109,036,666.70
  6. Step 6: Final answer
    x = 109,135,441.65

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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.