Home / 104,101,661.72-143,657,848.32-57,690,919.16

Finding the Fourth Proportional to 104,101,661.72, 143,657,848.32 and 57,690,919.16

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Solution

The fourth proportional to 104,101,661.72, 143,657,848.32 and 57,690,919.16 is: 79,612,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,101,661.72 : 143,657,848.32 = 57,690,919.16 : x
  2. Step 2: Convert to fraction form
    104,101,661.72/143,657,848.32 = 57,690,919.16/x
  3. Step 3: Cross multiply
    104,101,661.72x = 143,657,848.32 × 57,690,919.16
  4. Step 4: Simplify right side
    104,101,661.72x = 8,287,753,314,128,661
  5. Step 5: Solve for x
    x = 8,287,753,314,128,661/104,101,661.72
  6. Step 6: Final answer
    x = 79,612,113.56

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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.