Home / 115,074,102.94-172,679,255.33-42,341,959.58

Finding the Fourth Proportional to 115,074,102.94, 172,679,255.33 and 42,341,959.58

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Solution

The fourth proportional to 115,074,102.94, 172,679,255.33 and 42,341,959.58 is: 63,537,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,074,102.94 : 172,679,255.33 = 42,341,959.58 : x
  2. Step 2: Convert to fraction form
    115,074,102.94/172,679,255.33 = 42,341,959.58/x
  3. Step 3: Cross multiply
    115,074,102.94x = 172,679,255.33 × 42,341,959.58
  4. Step 4: Simplify right side
    115,074,102.94x = 7,311,578,048,412,253
  5. Step 5: Solve for x
    x = 7,311,578,048,412,253/115,074,102.94
  6. Step 6: Final answer
    x = 63,537,997.36

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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.