Home / 57,593,485.20-86,390,227.80-42,287,984.40

Finding the Fourth Proportional to 57,593,485.20, 86,390,227.80 and 42,287,984.40

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Solution

The fourth proportional to 57,593,485.20, 86,390,227.80 and 42,287,984.40 is: 63,431,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,593,485.20 : 86,390,227.80 = 42,287,984.40 : x
  2. Step 2: Convert to fraction form
    57,593,485.20/86,390,227.80 = 42,287,984.40/x
  3. Step 3: Cross multiply
    57,593,485.20x = 86,390,227.80 × 42,287,984.40
  4. Step 4: Simplify right side
    57,593,485.20x = 3,653,268,605,518,846
  5. Step 5: Solve for x
    x = 3,653,268,605,518,846/57,593,485.20
  6. Step 6: Final answer
    x = 63,431,976.60

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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.