Home / 74,708,939.20-111,958,432.80-59,382,443.20

Finding the Fourth Proportional to 74,708,939.20, 111,958,432.80 and 59,382,443.20

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Solution

The fourth proportional to 74,708,939.20, 111,958,432.80 and 59,382,443.20 is: 88,990,224.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708,939.20 : 111,958,432.80 = 59,382,443.20 : x
  2. Step 2: Convert to fraction form
    74,708,939.20/111,958,432.80 = 59,382,443.20/x
  3. Step 3: Cross multiply
    74,708,939.20x = 111,958,432.80 × 59,382,443.20
  4. Step 4: Simplify right side
    74,708,939.20x = 6,648,365,276,507,017
  5. Step 5: Solve for x
    x = 6,648,365,276,507,017/74,708,939.20
  6. Step 6: Final answer
    x = 88,990,224.57

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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.