Home / 115,074,094.57-172,679,242.75-42,341,951.22

Finding the Fourth Proportional to 115,074,094.57, 172,679,242.75 and 42,341,951.22

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Solution

The fourth proportional to 115,074,094.57, 172,679,242.75 and 42,341,951.22 is: 63,537,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074,094.57 : 172,679,242.75 = 42,341,951.22 : x
  2. Step 2: Convert to fraction form
    115,074,094.57/172,679,242.75 = 42,341,951.22/x
  3. Step 3: Cross multiply
    115,074,094.57x = 172,679,242.75 × 42,341,951.22
  4. Step 4: Simplify right side
    115,074,094.57x = 7,311,576,072,363,643
  5. Step 5: Solve for x
    x = 7,311,576,072,363,643/115,074,094.57
  6. Step 6: Final answer
    x = 63,537,984.81

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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.