Home / 42,621,427.80-63,837,663.30-25,615,315.80

Finding the Fourth Proportional to 42,621,427.80, 63,837,663.30 and 25,615,315.80

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Solution

The fourth proportional to 42,621,427.80, 63,837,663.30 and 25,615,315.80 is: 38,366,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621,427.80 : 63,837,663.30 = 25,615,315.80 : x
  2. Step 2: Convert to fraction form
    42,621,427.80/63,837,663.30 = 25,615,315.80/x
  3. Step 3: Cross multiply
    42,621,427.80x = 63,837,663.30 × 25,615,315.80
  4. Step 4: Simplify right side
    42,621,427.80x = 1,635,221,905,363,570
  5. Step 5: Solve for x
    x = 1,635,221,905,363,570/42,621,427.80
  6. Step 6: Final answer
    x = 38,366,192.54

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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.