Home / 284,703,101.28-392,919,870.78-164,005,253.28

Finding the Fourth Proportional to 284,703,101.28, 392,919,870.78 and 164,005,253.28

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Solution

The fourth proportional to 284,703,101.28, 392,919,870.78 and 164,005,253.28 is: 226,344,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,703,101.28 : 392,919,870.78 = 164,005,253.28 : x
  2. Step 2: Convert to fraction form
    284,703,101.28/392,919,870.78 = 164,005,253.28/x
  3. Step 3: Cross multiply
    284,703,101.28x = 392,919,870.78 × 164,005,253.28
  4. Step 4: Simplify right side
    284,703,101.28x = 64,440,922,926,018,768
  5. Step 5: Solve for x
    x = 64,440,922,926,018,768/284,703,101.28
  6. Step 6: Final answer
    x = 226,344,295.64

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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.