Home / 278,120,933.61-383,826,287.48-183,871,330.17

Finding the Fourth Proportional to 278,120,933.61, 383,826,287.48 and 183,871,330.17

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Solution

The fourth proportional to 278,120,933.61, 383,826,287.48 and 183,871,330.17 is: 253,755,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,120,933.61 : 383,826,287.48 = 183,871,330.17 : x
  2. Step 2: Convert to fraction form
    278,120,933.61/383,826,287.48 = 183,871,330.17/x
  3. Step 3: Cross multiply
    278,120,933.61x = 383,826,287.48 × 183,871,330.17
  4. Step 4: Simplify right side
    278,120,933.61x = 70,574,650,032,241,056
  5. Step 5: Solve for x
    x = 70,574,650,032,241,056/278,120,933.61
  6. Step 6: Final answer
    x = 253,755,260.76

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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.