Home / 89,052,637.38-122,897,175.43-51,361,784.78

Finding the Fourth Proportional to 89,052,637.38, 122,897,175.43 and 51,361,784.78

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Solution

The fourth proportional to 89,052,637.38, 122,897,175.43 and 51,361,784.78 is: 70,881,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,052,637.38 : 122,897,175.43 = 51,361,784.78 : x
  2. Step 2: Convert to fraction form
    89,052,637.38/122,897,175.43 = 51,361,784.78/x
  3. Step 3: Cross multiply
    89,052,637.38x = 122,897,175.43 × 51,361,784.78
  4. Step 4: Simplify right side
    89,052,637.38x = 6,312,218,274,895,973
  5. Step 5: Solve for x
    x = 6,312,218,274,895,973/89,052,637.38
  6. Step 6: Final answer
    x = 70,881,879.09

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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.