Home / 266,210,121.52-399,323,317.12-91,330,702.32

Finding the Fourth Proportional to 266,210,121.52, 399,323,317.12 and 91,330,702.32

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Solution

The fourth proportional to 266,210,121.52, 399,323,317.12 and 91,330,702.32 is: 136,998,844.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,210,121.52 : 399,323,317.12 = 91,330,702.32 : x
  2. Step 2: Convert to fraction form
    266,210,121.52/399,323,317.12 = 91,330,702.32/x
  3. Step 3: Cross multiply
    266,210,121.52x = 399,323,317.12 × 91,330,702.32
  4. Step 4: Simplify right side
    266,210,121.52x = 36,470,479,005,321,680
  5. Step 5: Solve for x
    x = 36,470,479,005,321,680/266,210,121.52
  6. Step 6: Final answer
    x = 136,998,844.36

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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.