Home / 88,138,301.87-121,502,665.12-61,594,243.76

Finding the Fourth Proportional to 88,138,301.87, 121,502,665.12 and 61,594,243.76

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Solution

The fourth proportional to 88,138,301.87, 121,502,665.12 and 61,594,243.76 is: 84,910,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,138,301.87 : 121,502,665.12 = 61,594,243.76 : x
  2. Step 2: Convert to fraction form
    88,138,301.87/121,502,665.12 = 61,594,243.76/x
  3. Step 3: Cross multiply
    88,138,301.87x = 121,502,665.12 × 61,594,243.76
  4. Step 4: Simplify right side
    88,138,301.87x = 7,483,864,772,129,431
  5. Step 5: Solve for x
    x = 7,483,864,772,129,431/88,138,301.87
  6. Step 6: Final answer
    x = 84,910,471.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.