Home / 278,120,913.39-383,826,259.56-183,871,309.83

Finding the Fourth Proportional to 278,120,913.39, 383,826,259.56 and 183,871,309.83

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Solution

The fourth proportional to 278,120,913.39, 383,826,259.56 and 183,871,309.83 is: 253,755,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,120,913.39 : 383,826,259.56 = 183,871,309.83 : x
  2. Step 2: Convert to fraction form
    278,120,913.39/383,826,259.56 = 183,871,309.83/x
  3. Step 3: Cross multiply
    278,120,913.39x = 383,826,259.56 × 183,871,309.83
  4. Step 4: Simplify right side
    278,120,913.39x = 70,574,637,092,446,768
  5. Step 5: Solve for x
    x = 70,574,637,092,446,768/278,120,913.39
  6. Step 6: Final answer
    x = 253,755,232.69

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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.