Home / 56,938,811.16-85,390,552.44-20,542,470.24

Finding the Fourth Proportional to 56,938,811.16, 85,390,552.44 and 20,542,470.24

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Solution

The fourth proportional to 56,938,811.16, 85,390,552.44 and 20,542,470.24 is: 30,807,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,938,811.16 : 85,390,552.44 = 20,542,470.24 : x
  2. Step 2: Convert to fraction form
    56,938,811.16/85,390,552.44 = 20,542,470.24/x
  3. Step 3: Cross multiply
    56,938,811.16x = 85,390,552.44 × 20,542,470.24
  4. Step 4: Simplify right side
    56,938,811.16x = 1,754,132,882,275,859.25
  5. Step 5: Solve for x
    x = 1,754,132,882,275,859.25/56,938,811.16
  6. Step 6: Final answer
    x = 30,807,332.41

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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.