Home / 67,828,976.40-101,743,464.60-42,000,943.80

Finding the Fourth Proportional to 67,828,976.40, 101,743,464.60 and 42,000,943.80

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Solution

The fourth proportional to 67,828,976.40, 101,743,464.60 and 42,000,943.80 is: 63,001,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,828,976.40 : 101,743,464.60 = 42,000,943.80 : x
  2. Step 2: Convert to fraction form
    67,828,976.40/101,743,464.60 = 42,000,943.80/x
  3. Step 3: Cross multiply
    67,828,976.40x = 101,743,464.60 × 42,000,943.80
  4. Step 4: Simplify right side
    67,828,976.40x = 4,273,321,538,681,889
  5. Step 5: Solve for x
    x = 4,273,321,538,681,889/67,828,976.40
  6. Step 6: Final answer
    x = 63,001,415.70

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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.