Home / 90,991,279-136,486,918.50-30,407,005

Finding the Fourth Proportional to 90,991,279, 136,486,918.50 and 30,407,005

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Solution

The fourth proportional to 90,991,279, 136,486,918.50 and 30,407,005 is: 45,610,507.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,991,279 : 136,486,918.50 = 30,407,005 : x
  2. Step 2: Convert to fraction form
    90,991,279/136,486,918.50 = 30,407,005/x
  3. Step 3: Cross multiply
    90,991,279x = 136,486,918.50 × 30,407,005
  4. Step 4: Simplify right side
    90,991,279x = 4,150,158,413,264,092.50
  5. Step 5: Solve for x
    x = 4,150,158,413,264,092.50/90,991,279
  6. Step 6: Final answer
    x = 45,610,507.50

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1.5x scale

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.