Home / 117,222,507.40-161,755,536.18-65,010,633.16

Finding the Fourth Proportional to 117,222,507.40, 161,755,536.18 and 65,010,633.16

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Solution

The fourth proportional to 117,222,507.40, 161,755,536.18 and 65,010,633.16 is: 89,708,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,222,507.40 : 161,755,536.18 = 65,010,633.16 : x
  2. Step 2: Convert to fraction form
    117,222,507.40/161,755,536.18 = 65,010,633.16/x
  3. Step 3: Cross multiply
    117,222,507.40x = 161,755,536.18 × 65,010,633.16
  4. Step 4: Simplify right side
    117,222,507.40x = 10,515,829,824,197,088
  5. Step 5: Solve for x
    x = 10,515,829,824,197,088/117,222,507.40
  6. Step 6: Final answer
    x = 89,708,282.63

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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.