Home / 155,191,917,611.16-232,786,899,587.88-83,515,194,778.32

Finding the Fourth Proportional to 155,191,917,611.16, 232,786,899,587.88 and 83,515,194,778.32

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Solution

The fourth proportional to 155,191,917,611.16, 232,786,899,587.88 and 83,515,194,778.32 is: 125,272,266,495.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,191,917,611.16 : 232,786,899,587.88 = 83,515,194,778.32 : x
  2. Step 2: Convert to fraction form
    155,191,917,611.16/232,786,899,587.88 = 83,515,194,778.32/x
  3. Step 3: Cross multiply
    155,191,917,611.16x = 232,786,899,587.88 × 83,515,194,778.32
  4. Step 4: Simplify right side
    155,191,917,611.16x = 19,441,243,260,923,020,312,576
  5. Step 5: Solve for x
    x = 19,441,243,260,923,020,312,576/155,191,917,611.16
  6. Step 6: Final answer
    x = 125,272,266,495.44

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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.