Home / 83,041,449.20-124,562,173.80-76,994,831.60

Finding the Fourth Proportional to 83,041,449.20, 124,562,173.80 and 76,994,831.60

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Solution

The fourth proportional to 83,041,449.20, 124,562,173.80 and 76,994,831.60 is: 115,492,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,041,449.20 : 124,562,173.80 = 76,994,831.60 : x
  2. Step 2: Convert to fraction form
    83,041,449.20/124,562,173.80 = 76,994,831.60/x
  3. Step 3: Cross multiply
    83,041,449.20x = 124,562,173.80 × 76,994,831.60
  4. Step 4: Simplify right side
    83,041,449.20x = 9,590,643,595,460,932
  5. Step 5: Solve for x
    x = 9,590,643,595,460,932/83,041,449.20
  6. Step 6: Final answer
    x = 115,492,247.40

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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.