Home / 101,971,445,989.29-140,721,032,953.97-55,622,883,279.81

Finding the Fourth Proportional to 101,971,445,989.29, 140,721,032,953.97 and 55,622,883,279.81

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Solution

The fourth proportional to 101,971,445,989.29, 140,721,032,953.97 and 55,622,883,279.81 is: 76,759,817,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971,445,989.29 : 140,721,032,953.97 = 55,622,883,279.81 : x
  2. Step 2: Convert to fraction form
    101,971,445,989.29/140,721,032,953.97 = 55,622,883,279.81/x
  3. Step 3: Cross multiply
    101,971,445,989.29x = 140,721,032,953.97 × 55,622,883,279.81
  4. Step 4: Simplify right side
    101,971,445,989.29x = 7,827,309,591,012,969,545,728
  5. Step 5: Solve for x
    x = 7,827,309,591,012,969,545,728/101,971,445,989.29
  6. Step 6: Final answer
    x = 76,759,817,565.35

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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.