Home / 53,988,209.70-80,919,328.95-21,624,108.90

Finding the Fourth Proportional to 53,988,209.70, 80,919,328.95 and 21,624,108.90

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Solution

The fourth proportional to 53,988,209.70, 80,919,328.95 and 21,624,108.90 is: 32,410,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,988,209.70 : 80,919,328.95 = 21,624,108.90 : x
  2. Step 2: Convert to fraction form
    53,988,209.70/80,919,328.95 = 21,624,108.90/x
  3. Step 3: Cross multiply
    53,988,209.70x = 80,919,328.95 × 21,624,108.90
  4. Step 4: Simplify right side
    53,988,209.70x = 1,749,808,381,329,722.50
  5. Step 5: Solve for x
    x = 1,749,808,381,329,722.50/53,988,209.70
  6. Step 6: Final answer
    x = 32,410,935.48

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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.