Home / 42,289,619.20-63,434,428.80-25,283,507.20

Finding the Fourth Proportional to 42,289,619.20, 63,434,428.80 and 25,283,507.20

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Solution

The fourth proportional to 42,289,619.20, 63,434,428.80 and 25,283,507.20 is: 37,925,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,289,619.20 : 63,434,428.80 = 25,283,507.20 : x
  2. Step 2: Convert to fraction form
    42,289,619.20/63,434,428.80 = 25,283,507.20/x
  3. Step 3: Cross multiply
    42,289,619.20x = 63,434,428.80 × 25,283,507.20
  4. Step 4: Simplify right side
    42,289,619.20x = 1,603,844,837,292,687.25
  5. Step 5: Solve for x
    x = 1,603,844,837,292,687.25/42,289,619.20
  6. Step 6: Final answer
    x = 37,925,260.80

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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.