Home / 88,053,977.72-121,501,307.81-50,371,150.23

Finding the Fourth Proportional to 88,053,977.72, 121,501,307.81 and 50,371,150.23

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Solution

The fourth proportional to 88,053,977.72, 121,501,307.81 and 50,371,150.23 is: 69,504,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,053,977.72 : 121,501,307.81 = 50,371,150.23 : x
  2. Step 2: Convert to fraction form
    88,053,977.72/121,501,307.81 = 50,371,150.23/x
  3. Step 3: Cross multiply
    88,053,977.72x = 121,501,307.81 × 50,371,150.23
  4. Step 4: Simplify right side
    88,053,977.72x = 6,120,160,628,587,127
  5. Step 5: Solve for x
    x = 6,120,160,628,587,127/88,053,977.72
  6. Step 6: Final answer
    x = 69,504,646.89

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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.