Home / 115,161,961.30-158,884,702.51-65,567,244.44

Finding the Fourth Proportional to 115,161,961.30, 158,884,702.51 and 65,567,244.44

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Solution

The fourth proportional to 115,161,961.30, 158,884,702.51 and 65,567,244.44 is: 90,460,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,161,961.30 : 158,884,702.51 = 65,567,244.44 : x
  2. Step 2: Convert to fraction form
    115,161,961.30/158,884,702.51 = 65,567,244.44/x
  3. Step 3: Cross multiply
    115,161,961.30x = 158,884,702.51 × 65,567,244.44
  4. Step 4: Simplify right side
    115,161,961.30x = 10,417,632,127,483,146
  5. Step 5: Solve for x
    x = 10,417,632,127,483,146/115,161,961.30
  6. Step 6: Final answer
    x = 90,460,704.30

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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.