Home / 111,105,338-153,326,592.44-61,546,470.80

Finding the Fourth Proportional to 111,105,338, 153,326,592.44 and 61,546,470.80

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Solution

The fourth proportional to 111,105,338, 153,326,592.44 and 61,546,470.80 is: 84,934,808.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,105,338 : 153,326,592.44 = 61,546,470.80 : x
  2. Step 2: Convert to fraction form
    111,105,338/153,326,592.44 = 61,546,470.80/x
  3. Step 3: Cross multiply
    111,105,338x = 153,326,592.44 × 61,546,470.80
  4. Step 4: Simplify right side
    111,105,338x = 9,436,710,644,471,960
  5. Step 5: Solve for x
    x = 9,436,710,644,471,960/111,105,338
  6. Step 6: Final answer
    x = 84,934,808.84

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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.