Home / 278,120,905.39-383,826,248.51-183,871,301.82

Finding the Fourth Proportional to 278,120,905.39, 383,826,248.51 and 183,871,301.82

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Solution

The fourth proportional to 278,120,905.39, 383,826,248.51 and 183,871,301.82 is: 253,755,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,120,905.39 : 383,826,248.51 = 183,871,301.82 : x
  2. Step 2: Convert to fraction form
    278,120,905.39/383,826,248.51 = 183,871,301.82/x
  3. Step 3: Cross multiply
    278,120,905.39x = 383,826,248.51 × 183,871,301.82
  4. Step 4: Simplify right side
    278,120,905.39x = 70,574,631,986,220,528
  5. Step 5: Solve for x
    x = 70,574,631,986,220,528/278,120,905.39
  6. Step 6: Final answer
    x = 253,755,221.63

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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.