Home / 123,587,531.68-170,556,612.24-68,583,840.16

Finding the Fourth Proportional to 123,587,531.68, 170,556,612.24 and 68,583,840.16

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Solution

The fourth proportional to 123,587,531.68, 170,556,612.24 and 68,583,840.16 is: 94,648,928.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,587,531.68 : 170,556,612.24 = 68,583,840.16 : x
  2. Step 2: Convert to fraction form
    123,587,531.68/170,556,612.24 = 68,583,840.16/x
  3. Step 3: Cross multiply
    123,587,531.68x = 170,556,612.24 × 68,583,840.16
  4. Step 4: Simplify right side
    123,587,531.68x = 11,697,427,432,099,260
  5. Step 5: Solve for x
    x = 11,697,427,432,099,260/123,587,531.68
  6. Step 6: Final answer
    x = 94,648,928.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.