Home / 284,218,140-392,243,825.52-225,961,574.88

Finding the Fourth Proportional to 284,218,140, 392,243,825.52 and 225,961,574.88

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Solution

The fourth proportional to 284,218,140, 392,243,825.52 and 225,961,574.88 is: 311,845,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,218,140 : 392,243,825.52 = 225,961,574.88 : x
  2. Step 2: Convert to fraction form
    284,218,140/392,243,825.52 = 225,961,574.88/x
  3. Step 3: Cross multiply
    284,218,140x = 392,243,825.52 × 225,961,574.88
  4. Step 4: Simplify right side
    284,218,140x = 88,632,032,551,455,136
  5. Step 5: Solve for x
    x = 88,632,032,551,455,136/284,218,140
  6. Step 6: Final answer
    x = 311,845,093.88

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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.