Home / 87,137,729.48-130,720,779.48-25,733,099.36

Finding the Fourth Proportional to 87,137,729.48, 130,720,779.48 and 25,733,099.36

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Solution

The fourth proportional to 87,137,729.48, 130,720,779.48 and 25,733,099.36 is: 38,603,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,137,729.48 : 130,720,779.48 = 25,733,099.36 : x
  2. Step 2: Convert to fraction form
    87,137,729.48/130,720,779.48 = 25,733,099.36/x
  3. Step 3: Cross multiply
    87,137,729.48x = 130,720,779.48 × 25,733,099.36
  4. Step 4: Simplify right side
    87,137,729.48x = 3,363,850,806,775,489
  5. Step 5: Solve for x
    x = 3,363,850,806,775,489/87,137,729.48
  6. Step 6: Final answer
    x = 38,603,838.16

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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.