Home / 90,759,071.20-125,244,421.68-54,088,975.84

Finding the Fourth Proportional to 90,759,071.20, 125,244,421.68 and 54,088,975.84

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Solution

The fourth proportional to 90,759,071.20, 125,244,421.68 and 54,088,975.84 is: 74,640,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,759,071.20 : 125,244,421.68 = 54,088,975.84 : x
  2. Step 2: Convert to fraction form
    90,759,071.20/125,244,421.68 = 54,088,975.84/x
  3. Step 3: Cross multiply
    90,759,071.20x = 125,244,421.68 × 54,088,975.84
  4. Step 4: Simplify right side
    90,759,071.20x = 6,774,342,498,344,293
  5. Step 5: Solve for x
    x = 6,774,342,498,344,293/90,759,071.20
  6. Step 6: Final answer
    x = 74,640,941.22

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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.