Home / 205,843,913.40-284,073,864.30-123,335,925.24

Finding the Fourth Proportional to 205,843,913.40, 284,073,864.30 and 123,335,925.24

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Solution

The fourth proportional to 205,843,913.40, 284,073,864.30 and 123,335,925.24 is: 170,209,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,843,913.40 : 284,073,864.30 = 123,335,925.24 : x
  2. Step 2: Convert to fraction form
    205,843,913.40/284,073,864.30 = 123,335,925.24/x
  3. Step 3: Cross multiply
    205,843,913.40x = 284,073,864.30 × 123,335,925.24
  4. Step 4: Simplify right side
    205,843,913.40x = 35,036,512,889,942,704
  5. Step 5: Solve for x
    x = 35,036,512,889,942,704/205,843,913.40
  6. Step 6: Final answer
    x = 170,209,127.45

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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.