Home / 266,118,704.20-399,178,056.30-163,998,051.40

Finding the Fourth Proportional to 266,118,704.20, 399,178,056.30 and 163,998,051.40

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Solution

The fourth proportional to 266,118,704.20, 399,178,056.30 and 163,998,051.40 is: 245,997,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,118,704.20 : 399,178,056.30 = 163,998,051.40 : x
  2. Step 2: Convert to fraction form
    266,118,704.20/399,178,056.30 = 163,998,051.40/x
  3. Step 3: Cross multiply
    266,118,704.20x = 399,178,056.30 × 163,998,051.40
  4. Step 4: Simplify right side
    266,118,704.20x = 65,464,423,394,839,496
  5. Step 5: Solve for x
    x = 65,464,423,394,839,496/266,118,704.20
  6. Step 6: Final answer
    x = 245,997,077.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.