Home / 65,448,880.32-90,319,728.60-36,079,568.22

Finding the Fourth Proportional to 65,448,880.32, 90,319,728.60 and 36,079,568.22

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Solution

The fourth proportional to 65,448,880.32, 90,319,728.60 and 36,079,568.22 is: 49,789,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,880.32 : 90,319,728.60 = 36,079,568.22 : x
  2. Step 2: Convert to fraction form
    65,448,880.32/90,319,728.60 = 36,079,568.22/x
  3. Step 3: Cross multiply
    65,448,880.32x = 90,319,728.60 × 36,079,568.22
  4. Step 4: Simplify right side
    65,448,880.32x = 3,258,696,809,635,585
  5. Step 5: Solve for x
    x = 3,258,696,809,635,585/65,448,880.32
  6. Step 6: Final answer
    x = 49,789,955.06

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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.