Home / 42,621,414.30-63,837,643.05-25,615,302.30

Finding the Fourth Proportional to 42,621,414.30, 63,837,643.05 and 25,615,302.30

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Solution

The fourth proportional to 42,621,414.30, 63,837,643.05 and 25,615,302.30 is: 38,366,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621,414.30 : 63,837,643.05 = 25,615,302.30 : x
  2. Step 2: Convert to fraction form
    42,621,414.30/63,837,643.05 = 25,615,302.30/x
  3. Step 3: Cross multiply
    42,621,414.30x = 63,837,643.05 × 25,615,302.30
  4. Step 4: Simplify right side
    42,621,414.30x = 1,635,220,524,845,244
  5. Step 5: Solve for x
    x = 1,635,220,524,845,244/42,621,414.30
  6. Step 6: Final answer
    x = 38,366,172.30

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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.