Home / 66,209,041.20-99,254,464.20-25,810,129.20

Finding the Fourth Proportional to 66,209,041.20, 99,254,464.20 and 25,810,129.20

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Solution

The fourth proportional to 66,209,041.20, 99,254,464.20 and 25,810,129.20 is: 38,692,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,209,041.20 : 99,254,464.20 = 25,810,129.20 : x
  2. Step 2: Convert to fraction form
    66,209,041.20/99,254,464.20 = 25,810,129.20/x
  3. Step 3: Cross multiply
    66,209,041.20x = 99,254,464.20 × 25,810,129.20
  4. Step 4: Simplify right side
    66,209,041.20x = 2,561,770,544,678,774.50
  5. Step 5: Solve for x
    x = 2,561,770,544,678,774.50/66,209,041.20
  6. Step 6: Final answer
    x = 38,692,155.91

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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.