Home / 51,334,195.50-70,841,189.79-30,708,511.02

Finding the Fourth Proportional to 51,334,195.50, 70,841,189.79 and 30,708,511.02

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Solution

The fourth proportional to 51,334,195.50, 70,841,189.79 and 30,708,511.02 is: 42,377,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,334,195.50 : 70,841,189.79 = 30,708,511.02 : x
  2. Step 2: Convert to fraction form
    51,334,195.50/70,841,189.79 = 30,708,511.02/x
  3. Step 3: Cross multiply
    51,334,195.50x = 70,841,189.79 × 30,708,511.02
  4. Step 4: Simplify right side
    51,334,195.50x = 2,175,427,457,336,126.75
  5. Step 5: Solve for x
    x = 2,175,427,457,336,126.75/51,334,195.50
  6. Step 6: Final answer
    x = 42,377,745.21

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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.