Home / 312,804,947.20-469,065,703.20-118,651,835.20

Finding the Fourth Proportional to 312,804,947.20, 469,065,703.20 and 118,651,835.20

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Solution

The fourth proportional to 312,804,947.20, 469,065,703.20 and 118,651,835.20 is: 177,923,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,804,947.20 : 469,065,703.20 = 118,651,835.20 : x
  2. Step 2: Convert to fraction form
    312,804,947.20/469,065,703.20 = 118,651,835.20/x
  3. Step 3: Cross multiply
    312,804,947.20x = 469,065,703.20 × 118,651,835.20
  4. Step 4: Simplify right side
    312,804,947.20x = 55,655,506,514,058,512
  5. Step 5: Solve for x
    x = 55,655,506,514,058,512/312,804,947.20
  6. Step 6: Final answer
    x = 177,923,997.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.