Home / 111,173,433.26-153,419,352.44-61,617,006.40

Finding the Fourth Proportional to 111,173,433.26, 153,419,352.44 and 61,617,006.40

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Solution

The fourth proportional to 111,173,433.26, 153,419,352.44 and 61,617,006.40 is: 85,031,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,173,433.26 : 153,419,352.44 = 61,617,006.40 : x
  2. Step 2: Convert to fraction form
    111,173,433.26/153,419,352.44 = 61,617,006.40/x
  3. Step 3: Cross multiply
    111,173,433.26x = 153,419,352.44 × 61,617,006.40
  4. Step 4: Simplify right side
    111,173,433.26x = 9,453,241,221,179,336
  5. Step 5: Solve for x
    x = 9,453,241,221,179,336/111,173,433.26
  6. Step 6: Final answer
    x = 85,031,476.89

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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.