Home / 90,374,220.72-124,776,484.47-69,428,949.93

Finding the Fourth Proportional to 90,374,220.72, 124,776,484.47 and 69,428,949.93

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Solution

The fourth proportional to 90,374,220.72, 124,776,484.47 and 69,428,949.93 is: 95,858,091.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,374,220.72 : 124,776,484.47 = 69,428,949.93 : x
  2. Step 2: Convert to fraction form
    90,374,220.72/124,776,484.47 = 69,428,949.93/x
  3. Step 3: Cross multiply
    90,374,220.72x = 124,776,484.47 × 69,428,949.93
  4. Step 4: Simplify right side
    90,374,220.72x = 8,663,100,292,709,053
  5. Step 5: Solve for x
    x = 8,663,100,292,709,053/90,374,220.72
  6. Step 6: Final answer
    x = 95,858,091.21

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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.