Home / 65,448,869.42-90,319,713.55-36,079,557.32

Finding the Fourth Proportional to 65,448,869.42, 90,319,713.55 and 36,079,557.32

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Solution

The fourth proportional to 65,448,869.42, 90,319,713.55 and 36,079,557.32 is: 49,789,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,448,869.42 : 90,319,713.55 = 36,079,557.32 : x
  2. Step 2: Convert to fraction form
    65,448,869.42/90,319,713.55 = 36,079,557.32/x
  3. Step 3: Cross multiply
    65,448,869.42x = 90,319,713.55 × 36,079,557.32
  4. Step 4: Simplify right side
    65,448,869.42x = 3,258,695,281,701,607
  5. Step 5: Solve for x
    x = 3,258,695,281,701,607/65,448,869.42
  6. Step 6: Final answer
    x = 49,789,940.01

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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.