Home / 284,628,315.52-392,787,411.20-154,248,123.52

Finding the Fourth Proportional to 284,628,315.52, 392,787,411.20 and 154,248,123.52

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Solution

The fourth proportional to 284,628,315.52, 392,787,411.20 and 154,248,123.52 is: 212,862,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,628,315.52 : 392,787,411.20 = 154,248,123.52 : x
  2. Step 2: Convert to fraction form
    284,628,315.52/392,787,411.20 = 154,248,123.52/x
  3. Step 3: Cross multiply
    284,628,315.52x = 392,787,411.20 × 154,248,123.52
  4. Step 4: Simplify right side
    284,628,315.52x = 60,586,721,119,878,632
  5. Step 5: Solve for x
    x = 60,586,721,119,878,632/284,628,315.52
  6. Step 6: Final answer
    x = 212,862,592.43

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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.