Home / 71,331,658.32-98,467,820.28-48,158,173.20

Finding the Fourth Proportional to 71,331,658.32, 98,467,820.28 and 48,158,173.20

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Solution

The fourth proportional to 71,331,658.32, 98,467,820.28 and 48,158,173.20 is: 66,478,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,331,658.32 : 98,467,820.28 = 48,158,173.20 : x
  2. Step 2: Convert to fraction form
    71,331,658.32/98,467,820.28 = 48,158,173.20/x
  3. Step 3: Cross multiply
    71,331,658.32x = 98,467,820.28 × 48,158,173.20
  4. Step 4: Simplify right side
    71,331,658.32x = 4,742,030,343,670,713
  5. Step 5: Solve for x
    x = 4,742,030,343,670,713/71,331,658.32
  6. Step 6: Final answer
    x = 66,478,621.91

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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.