Home / 102,312,851.13-141,193,634.63-55,906,110.81

Finding the Fourth Proportional to 102,312,851.13, 141,193,634.63 and 55,906,110.81

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Solution

The fourth proportional to 102,312,851.13, 141,193,634.63 and 55,906,110.81 is: 77,151,471.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,312,851.13 : 141,193,634.63 = 55,906,110.81 : x
  2. Step 2: Convert to fraction form
    102,312,851.13/141,193,634.63 = 55,906,110.81/x
  3. Step 3: Cross multiply
    102,312,851.13x = 141,193,634.63 × 55,906,110.81
  4. Step 4: Simplify right side
    102,312,851.13x = 7,893,586,983,291,433
  5. Step 5: Solve for x
    x = 7,893,586,983,291,433/102,312,851.13
  6. Step 6: Final answer
    x = 77,151,471.16

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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.