Home / 91,397,652.71-126,128,760.74-52,240,270.22

Finding the Fourth Proportional to 91,397,652.71, 126,128,760.74 and 52,240,270.22

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Solution

The fourth proportional to 91,397,652.71, 126,128,760.74 and 52,240,270.22 is: 72,091,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,652.71 : 126,128,760.74 = 52,240,270.22 : x
  2. Step 2: Convert to fraction form
    91,397,652.71/126,128,760.74 = 52,240,270.22/x
  3. Step 3: Cross multiply
    91,397,652.71x = 126,128,760.74 × 52,240,270.22
  4. Step 4: Simplify right side
    91,397,652.71x = 6,589,000,543,071,285
  5. Step 5: Solve for x
    x = 6,589,000,543,071,285/91,397,652.71
  6. Step 6: Final answer
    x = 72,091,572.90

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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.