Home / 100,259,590.02-150,358,769.73-69,334,037.70

Finding the Fourth Proportional to 100,259,590.02, 150,358,769.73 and 69,334,037.70

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Solution

The fourth proportional to 100,259,590.02, 150,358,769.73 and 69,334,037.70 is: 103,979,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,259,590.02 : 150,358,769.73 = 69,334,037.70 : x
  2. Step 2: Convert to fraction form
    100,259,590.02/150,358,769.73 = 69,334,037.70/x
  3. Step 3: Cross multiply
    100,259,590.02x = 150,358,769.73 × 69,334,037.70
  4. Step 4: Simplify right side
    100,259,590.02x = 10,424,980,608,985,438
  5. Step 5: Solve for x
    x = 10,424,980,608,985,438/100,259,590.02
  6. Step 6: Final answer
    x = 103,979,884.69

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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.