Home / 64,645,785.60-89,213,085.24-35,279,019.36

Finding the Fourth Proportional to 64,645,785.60, 89,213,085.24 and 35,279,019.36

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Solution

The fourth proportional to 64,645,785.60, 89,213,085.24 and 35,279,019.36 is: 48,686,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,645,785.60 : 89,213,085.24 = 35,279,019.36 : x
  2. Step 2: Convert to fraction form
    64,645,785.60/89,213,085.24 = 35,279,019.36/x
  3. Step 3: Cross multiply
    64,645,785.60x = 89,213,085.24 × 35,279,019.36
  4. Step 4: Simplify right side
    64,645,785.60x = 3,147,350,161,347,290
  5. Step 5: Solve for x
    x = 3,147,350,161,347,290/64,645,785.60
  6. Step 6: Final answer
    x = 48,686,084.21

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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.