Home / 274,192,955.89-378,386,279.13-156,720,808.40

Finding the Fourth Proportional to 274,192,955.89, 378,386,279.13 and 156,720,808.40

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Solution

The fourth proportional to 274,192,955.89, 378,386,279.13 and 156,720,808.40 is: 216,274,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,192,955.89 : 378,386,279.13 = 156,720,808.40 : x
  2. Step 2: Convert to fraction form
    274,192,955.89/378,386,279.13 = 156,720,808.40/x
  3. Step 3: Cross multiply
    274,192,955.89x = 378,386,279.13 × 156,720,808.40
  4. Step 4: Simplify right side
    274,192,955.89x = 59,301,003,550,535,088
  5. Step 5: Solve for x
    x = 59,301,003,550,535,088/274,192,955.89
  6. Step 6: Final answer
    x = 216,274,715.59

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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.