Home / 91,453,809.34-126,206,436.09-54,291,542.50

Finding the Fourth Proportional to 91,453,809.34, 126,206,436.09 and 54,291,542.50

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Solution

The fourth proportional to 91,453,809.34, 126,206,436.09 and 54,291,542.50 is: 74,922,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,453,809.34 : 126,206,436.09 = 54,291,542.50 : x
  2. Step 2: Convert to fraction form
    91,453,809.34/126,206,436.09 = 54,291,542.50/x
  3. Step 3: Cross multiply
    91,453,809.34x = 126,206,436.09 × 54,291,542.50
  4. Step 4: Simplify right side
    91,453,809.34x = 6,851,942,088,753,769
  5. Step 5: Solve for x
    x = 6,851,942,088,753,769/91,453,809.34
  6. Step 6: Final answer
    x = 74,922,435.03

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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.