Home / 86,932,831.20-130,399,246.80-56,321,829.60

Finding the Fourth Proportional to 86,932,831.20, 130,399,246.80 and 56,321,829.60

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Solution

The fourth proportional to 86,932,831.20, 130,399,246.80 and 56,321,829.60 is: 84,482,744.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,831.20 : 130,399,246.80 = 56,321,829.60 : x
  2. Step 2: Convert to fraction form
    86,932,831.20/130,399,246.80 = 56,321,829.60/x
  3. Step 3: Cross multiply
    86,932,831.20x = 130,399,246.80 × 56,321,829.60
  4. Step 4: Simplify right side
    86,932,831.20x = 7,344,324,158,237,945
  5. Step 5: Solve for x
    x = 7,344,324,158,237,945/86,932,831.20
  6. Step 6: Final answer
    x = 84,482,744.40

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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.