Home / 55,617,722.88-76,749,783.28-30,838,916.76

Finding the Fourth Proportional to 55,617,722.88, 76,749,783.28 and 30,838,916.76

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Solution

The fourth proportional to 55,617,722.88, 76,749,783.28 and 30,838,916.76 is: 42,556,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617,722.88 : 76,749,783.28 = 30,838,916.76 : x
  2. Step 2: Convert to fraction form
    55,617,722.88/76,749,783.28 = 30,838,916.76/x
  3. Step 3: Cross multiply
    55,617,722.88x = 76,749,783.28 × 30,838,916.76
  4. Step 4: Simplify right side
    55,617,722.88x = 2,366,880,177,919,960
  5. Step 5: Solve for x
    x = 2,366,880,177,919,960/55,617,722.88
  6. Step 6: Final answer
    x = 42,556,222.29

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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.