Home / 155,874,415.74-215,107,112.07-86,264,596.86

Finding the Fourth Proportional to 155,874,415.74, 215,107,112.07 and 86,264,596.86

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Solution

The fourth proportional to 155,874,415.74, 215,107,112.07 and 86,264,596.86 is: 119,045,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,874,415.74 : 215,107,112.07 = 86,264,596.86 : x
  2. Step 2: Convert to fraction form
    155,874,415.74/215,107,112.07 = 86,264,596.86/x
  3. Step 3: Cross multiply
    155,874,415.74x = 215,107,112.07 × 86,264,596.86
  4. Step 4: Simplify right side
    155,874,415.74x = 18,556,128,304,437,388
  5. Step 5: Solve for x
    x = 18,556,128,304,437,388/155,874,415.74
  6. Step 6: Final answer
    x = 119,045,375.19

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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.