Home / 115,202,840.55-172,804,427.10-47,045,532.30

Finding the Fourth Proportional to 115,202,840.55, 172,804,427.10 and 47,045,532.30

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Solution

The fourth proportional to 115,202,840.55, 172,804,427.10 and 47,045,532.30 is: 70,568,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,202,840.55 : 172,804,427.10 = 47,045,532.30 : x
  2. Step 2: Convert to fraction form
    115,202,840.55/172,804,427.10 = 47,045,532.30/x
  3. Step 3: Cross multiply
    115,202,840.55x = 172,804,427.10 × 47,045,532.30
  4. Step 4: Simplify right side
    115,202,840.55x = 8,129,676,256,716,045
  5. Step 5: Solve for x
    x = 8,129,676,256,716,045/115,202,840.55
  6. Step 6: Final answer
    x = 70,568,366.35

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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.