Home / 67,158,647.60-100,713,088.20-21,721,924.40

Finding the Fourth Proportional to 67,158,647.60, 100,713,088.20 and 21,721,924.40

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Solution

The fourth proportional to 67,158,647.60, 100,713,088.20 and 21,721,924.40 is: 32,574,838.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158,647.60 : 100,713,088.20 = 21,721,924.40 : x
  2. Step 2: Convert to fraction form
    67,158,647.60/100,713,088.20 = 21,721,924.40/x
  3. Step 3: Cross multiply
    67,158,647.60x = 100,713,088.20 × 21,721,924.40
  4. Step 4: Simplify right side
    67,158,647.60x = 2,187,682,087,970,932
  5. Step 5: Solve for x
    x = 2,187,682,087,970,932/67,158,647.60
  6. Step 6: Final answer
    x = 32,574,838.33

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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.