Home / 284,195,981.77-392,191,062.65-160,436,658.89

Finding the Fourth Proportional to 284,195,981.77, 392,191,062.65 and 160,436,658.89

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Solution

The fourth proportional to 284,195,981.77, 392,191,062.65 and 160,436,658.89 is: 221,402,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,195,981.77 : 392,191,062.65 = 160,436,658.89 : x
  2. Step 2: Convert to fraction form
    284,195,981.77/392,191,062.65 = 160,436,658.89/x
  3. Step 3: Cross multiply
    284,195,981.77x = 392,191,062.65 × 160,436,658.89
  4. Step 4: Simplify right side
    284,195,981.77x = 62,921,823,738,866,216
  5. Step 5: Solve for x
    x = 62,921,823,738,866,216/284,195,981.77
  6. Step 6: Final answer
    x = 221,402,932.40

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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.