Home / 281,304,000.54-388,199,520.74-157,544,677.66

Finding the Fourth Proportional to 281,304,000.54, 388,199,520.74 and 157,544,677.66

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Solution

The fourth proportional to 281,304,000.54, 388,199,520.74 and 157,544,677.66 is: 217,411,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,304,000.54 : 388,199,520.74 = 157,544,677.66 : x
  2. Step 2: Convert to fraction form
    281,304,000.54/388,199,520.74 = 157,544,677.66/x
  3. Step 3: Cross multiply
    281,304,000.54x = 388,199,520.74 × 157,544,677.66
  4. Step 4: Simplify right side
    281,304,000.54x = 61,158,768,362,749,784
  5. Step 5: Solve for x
    x = 61,158,768,362,749,784/281,304,000.54
  6. Step 6: Final answer
    x = 217,411,655.17

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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.