Home / 199,814,155.52-275,749,592.64-111,711,865.28

Finding the Fourth Proportional to 199,814,155.52, 275,749,592.64 and 111,711,865.28

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Solution

The fourth proportional to 199,814,155.52, 275,749,592.64 and 111,711,865.28 is: 154,165,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,814,155.52 : 275,749,592.64 = 111,711,865.28 : x
  2. Step 2: Convert to fraction form
    199,814,155.52/275,749,592.64 = 111,711,865.28/x
  3. Step 3: Cross multiply
    199,814,155.52x = 275,749,592.64 × 111,711,865.28
  4. Step 4: Simplify right side
    199,814,155.52x = 30,804,501,344,014,560
  5. Step 5: Solve for x
    x = 30,804,501,344,014,560/199,814,155.52
  6. Step 6: Final answer
    x = 154,165,761.00

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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.