Home / 74,904,940.20-112,189,448.70-61,468,012.20

Finding the Fourth Proportional to 74,904,940.20, 112,189,448.70 and 61,468,012.20

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Solution

The fourth proportional to 74,904,940.20, 112,189,448.70 and 61,468,012.20 is: 92,064,186.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904,940.20 : 112,189,448.70 = 61,468,012.20 : x
  2. Step 2: Convert to fraction form
    74,904,940.20/112,189,448.70 = 61,468,012.20/x
  3. Step 3: Cross multiply
    74,904,940.20x = 112,189,448.70 × 61,468,012.20
  4. Step 4: Simplify right side
    74,904,940.20x = 6,896,062,401,402,875
  5. Step 5: Solve for x
    x = 6,896,062,401,402,875/74,904,940.20
  6. Step 6: Final answer
    x = 92,064,186.73

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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.