Home / 67,158,646.60-100,713,086.70-21,721,923.40

Finding the Fourth Proportional to 67,158,646.60, 100,713,086.70 and 21,721,923.40

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Solution

The fourth proportional to 67,158,646.60, 100,713,086.70 and 21,721,923.40 is: 32,574,836.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158,646.60 : 100,713,086.70 = 21,721,923.40 : x
  2. Step 2: Convert to fraction form
    67,158,646.60/100,713,086.70 = 21,721,923.40/x
  3. Step 3: Cross multiply
    67,158,646.60x = 100,713,086.70 × 21,721,923.40
  4. Step 4: Simplify right side
    67,158,646.60x = 2,187,681,954,674,958.75
  5. Step 5: Solve for x
    x = 2,187,681,954,674,958.75/67,158,646.60
  6. Step 6: Final answer
    x = 32,574,836.83

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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.