Home / 101,971,445,988.29-140,721,032,952.59-55,622,883,278.81

Finding the Fourth Proportional to 101,971,445,988.29, 140,721,032,952.59 and 55,622,883,278.81

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Solution

The fourth proportional to 101,971,445,988.29, 140,721,032,952.59 and 55,622,883,278.81 is: 76,759,817,563.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971,445,988.29 : 140,721,032,952.59 = 55,622,883,278.81 : x
  2. Step 2: Convert to fraction form
    101,971,445,988.29/140,721,032,952.59 = 55,622,883,278.81/x
  3. Step 3: Cross multiply
    101,971,445,988.29x = 140,721,032,952.59 × 55,622,883,278.81
  4. Step 4: Simplify right side
    101,971,445,988.29x = 7,827,309,590,795,488,591,872
  5. Step 5: Solve for x
    x = 7,827,309,590,795,488,591,872/101,971,445,988.29
  6. Step 6: Final answer
    x = 76,759,817,563.97

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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.