Home / 77,333,424-106,694,008.22-43,839,312.18

Finding the Fourth Proportional to 77,333,424, 106,694,008.22 and 43,839,312.18

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Solution

The fourth proportional to 77,333,424, 106,694,008.22 and 43,839,312.18 is: 60,483,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,333,424 : 106,694,008.22 = 43,839,312.18 : x
  2. Step 2: Convert to fraction form
    77,333,424/106,694,008.22 = 43,839,312.18/x
  3. Step 3: Cross multiply
    77,333,424x = 106,694,008.22 × 43,839,312.18
  4. Step 4: Simplify right side
    77,333,424x = 4,677,391,934,092,066
  5. Step 5: Solve for x
    x = 4,677,391,934,092,066/77,333,424
  6. Step 6: Final answer
    x = 60,483,445.48

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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.