Home / 117,755,186.40-162,502,164.72-65,543,098.08

Finding the Fourth Proportional to 117,755,186.40, 162,502,164.72 and 65,543,098.08

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Solution

The fourth proportional to 117,755,186.40, 162,502,164.72 and 65,543,098.08 is: 90,449,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,755,186.40 : 162,502,164.72 = 65,543,098.08 : x
  2. Step 2: Convert to fraction form
    117,755,186.40/162,502,164.72 = 65,543,098.08/x
  3. Step 3: Cross multiply
    117,755,186.40x = 162,502,164.72 × 65,543,098.08
  4. Step 4: Simplify right side
    117,755,186.40x = 10,650,895,320,455,276
  5. Step 5: Solve for x
    x = 10,650,895,320,455,276/117,755,186.40
  6. Step 6: Final answer
    x = 90,449,479.52

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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.