Home / 66,852,007.20-100,278,010.80-57,604,933.80

Finding the Fourth Proportional to 66,852,007.20, 100,278,010.80 and 57,604,933.80

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Solution

The fourth proportional to 66,852,007.20, 100,278,010.80 and 57,604,933.80 is: 86,407,400.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852,007.20 : 100,278,010.80 = 57,604,933.80 : x
  2. Step 2: Convert to fraction form
    66,852,007.20/100,278,010.80 = 57,604,933.80/x
  3. Step 3: Cross multiply
    66,852,007.20x = 100,278,010.80 × 57,604,933.80
  4. Step 4: Simplify right side
    66,852,007.20x = 5,776,508,173,729,685
  5. Step 5: Solve for x
    x = 5,776,508,173,729,685/66,852,007.20
  6. Step 6: Final answer
    x = 86,407,400.70

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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.