Home / 65,839,618.40-90,890,179.80-43,849,712.48

Finding the Fourth Proportional to 65,839,618.40, 90,890,179.80 and 43,849,712.48

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Solution

The fourth proportional to 65,839,618.40, 90,890,179.80 and 43,849,712.48 is: 60,533,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,839,618.40 : 90,890,179.80 = 43,849,712.48 : x
  2. Step 2: Convert to fraction form
    65,839,618.40/90,890,179.80 = 43,849,712.48/x
  3. Step 3: Cross multiply
    65,839,618.40x = 90,890,179.80 × 43,849,712.48
  4. Step 4: Simplify right side
    65,839,618.40x = 3,985,508,251,485,503.50
  5. Step 5: Solve for x
    x = 3,985,508,251,485,503.50/65,839,618.40
  6. Step 6: Final answer
    x = 60,533,586.74

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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.