Home / 53,900,580.40-80,850,870.60-21,536,479.60

Finding the Fourth Proportional to 53,900,580.40, 80,850,870.60 and 21,536,479.60

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Solution

The fourth proportional to 53,900,580.40, 80,850,870.60 and 21,536,479.60 is: 32,304,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900,580.40 : 80,850,870.60 = 21,536,479.60 : x
  2. Step 2: Convert to fraction form
    53,900,580.40/80,850,870.60 = 21,536,479.60/x
  3. Step 3: Cross multiply
    53,900,580.40x = 80,850,870.60 × 21,536,479.60
  4. Step 4: Simplify right side
    53,900,580.40x = 1,741,243,125,319,139.75
  5. Step 5: Solve for x
    x = 1,741,243,125,319,139.75/53,900,580.40
  6. Step 6: Final answer
    x = 32,304,719.40

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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.