Home / 66,458,785.20-91,717,725.24-37,095,831.60

Finding the Fourth Proportional to 66,458,785.20, 91,717,725.24 and 37,095,831.60

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Solution

The fourth proportional to 66,458,785.20, 91,717,725.24 and 37,095,831.60 is: 51,194,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,458,785.20 : 91,717,725.24 = 37,095,831.60 : x
  2. Step 2: Convert to fraction form
    66,458,785.20/91,717,725.24 = 37,095,831.60/x
  3. Step 3: Cross multiply
    66,458,785.20x = 91,717,725.24 × 37,095,831.60
  4. Step 4: Simplify right side
    66,458,785.20x = 3,402,345,290,238,109.50
  5. Step 5: Solve for x
    x = 3,402,345,290,238,109.50/66,458,785.20
  6. Step 6: Final answer
    x = 51,194,816.16

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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.