Home / 284,759,731.08-392,983,686.73-159,304,443

Finding the Fourth Proportional to 284,759,731.08, 392,983,686.73 and 159,304,443

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Solution

The fourth proportional to 284,759,731.08, 392,983,686.73 and 159,304,443 is: 219,848,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,759,731.08 : 392,983,686.73 = 159,304,443 : x
  2. Step 2: Convert to fraction form
    284,759,731.08/392,983,686.73 = 159,304,443/x
  3. Step 3: Cross multiply
    284,759,731.08x = 392,983,686.73 × 159,304,443
  4. Step 4: Simplify right side
    284,759,731.08x = 62,604,047,322,609,144
  5. Step 5: Solve for x
    x = 62,604,047,322,609,144/284,759,731.08
  6. Step 6: Final answer
    x = 219,848,667.10

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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.