Home / 111,173,379.32-153,419,278.02-61,616,952.42

Finding the Fourth Proportional to 111,173,379.32, 153,419,278.02 and 61,616,952.42

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Solution

The fourth proportional to 111,173,379.32, 153,419,278.02 and 61,616,952.42 is: 85,031,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,173,379.32 : 153,419,278.02 = 61,616,952.42 : x
  2. Step 2: Convert to fraction form
    111,173,379.32/153,419,278.02 = 61,616,952.42/x
  3. Step 3: Cross multiply
    111,173,379.32x = 153,419,278.02 × 61,616,952.42
  4. Step 4: Simplify right side
    111,173,379.32x = 9,453,228,354,069,092
  5. Step 5: Solve for x
    x = 9,453,228,354,069,092/111,173,379.32
  6. Step 6: Final answer
    x = 85,031,402.41

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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.