Home / 90,153,803.92-135,254,021.12-52,793,970.92

Finding the Fourth Proportional to 90,153,803.92, 135,254,021.12 and 52,793,970.92

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Solution

The fourth proportional to 90,153,803.92, 135,254,021.12 and 52,793,970.92 is: 79,204,609.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,153,803.92 : 135,254,021.12 = 52,793,970.92 : x
  2. Step 2: Convert to fraction form
    90,153,803.92/135,254,021.12 = 52,793,970.92/x
  3. Step 3: Cross multiply
    90,153,803.92x = 135,254,021.12 × 52,793,970.92
  4. Step 4: Simplify right side
    90,153,803.92x = 7,140,596,857,146,076
  5. Step 5: Solve for x
    x = 7,140,596,857,146,076/90,153,803.92
  6. Step 6: Final answer
    x = 79,204,609.75

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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.