Home / 66,580,092.28-99,870,138.40-18,711,036.28

Finding the Fourth Proportional to 66,580,092.28, 99,870,138.40 and 18,711,036.28

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Solution

The fourth proportional to 66,580,092.28, 99,870,138.40 and 18,711,036.28 is: 28,066,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,580,092.28 : 99,870,138.40 = 18,711,036.28 : x
  2. Step 2: Convert to fraction form
    66,580,092.28/99,870,138.40 = 18,711,036.28/x
  3. Step 3: Cross multiply
    66,580,092.28x = 99,870,138.40 × 18,711,036.28
  4. Step 4: Simplify right side
    66,580,092.28x = 1,868,673,782,891,021.50
  5. Step 5: Solve for x
    x = 1,868,673,782,891,021.50/66,580,092.28
  6. Step 6: Final answer
    x = 28,066,554.41

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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.