Home / 69,577,831.20-104,366,746.80-65,609,738.40

Finding the Fourth Proportional to 69,577,831.20, 104,366,746.80 and 65,609,738.40

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Solution

The fourth proportional to 69,577,831.20, 104,366,746.80 and 65,609,738.40 is: 98,414,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,577,831.20 : 104,366,746.80 = 65,609,738.40 : x
  2. Step 2: Convert to fraction form
    69,577,831.20/104,366,746.80 = 65,609,738.40/x
  3. Step 3: Cross multiply
    69,577,831.20x = 104,366,746.80 × 65,609,738.40
  4. Step 4: Simplify right side
    69,577,831.20x = 6,847,474,955,207,037
  5. Step 5: Solve for x
    x = 6,847,474,955,207,037/69,577,831.20
  6. Step 6: Final answer
    x = 98,414,607.60

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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.