Home / 117,222,503.40-161,755,530.66-65,010,629.16

Finding the Fourth Proportional to 117,222,503.40, 161,755,530.66 and 65,010,629.16

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Solution

The fourth proportional to 117,222,503.40, 161,755,530.66 and 65,010,629.16 is: 89,708,277.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,222,503.40 : 161,755,530.66 = 65,010,629.16 : x
  2. Step 2: Convert to fraction form
    117,222,503.40/161,755,530.66 = 65,010,629.16/x
  3. Step 3: Cross multiply
    117,222,503.40x = 161,755,530.66 × 65,010,629.16
  4. Step 4: Simplify right side
    117,222,503.40x = 10,515,828,818,316,270
  5. Step 5: Solve for x
    x = 10,515,828,818,316,270/117,222,503.40
  6. Step 6: Final answer
    x = 89,708,277.11

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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.