Home / 168,898,768.76-253,386,355.02-91,174,004.48

Finding the Fourth Proportional to 168,898,768.76, 253,386,355.02 and 91,174,004.48

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Solution

The fourth proportional to 168,898,768.76, 253,386,355.02 and 91,174,004.48 is: 136,781,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,898,768.76 : 253,386,355.02 = 91,174,004.48 : x
  2. Step 2: Convert to fraction form
    168,898,768.76/253,386,355.02 = 91,174,004.48/x
  3. Step 3: Cross multiply
    168,898,768.76x = 253,386,355.02 × 91,174,004.48
  4. Step 4: Simplify right side
    168,898,768.76x = 23,102,248,667,764,352
  5. Step 5: Solve for x
    x = 23,102,248,667,764,352/168,898,768.76
  6. Step 6: Final answer
    x = 136,781,628.65

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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.