Home / 101,201,830.36-139,656,832.38-54,791,707.48

Finding the Fourth Proportional to 101,201,830.36, 139,656,832.38 and 54,791,707.48

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Solution

The fourth proportional to 101,201,830.36, 139,656,832.38 and 54,791,707.48 is: 75,611,639.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,201,830.36 : 139,656,832.38 = 54,791,707.48 : x
  2. Step 2: Convert to fraction form
    101,201,830.36/139,656,832.38 = 54,791,707.48/x
  3. Step 3: Cross multiply
    101,201,830.36x = 139,656,832.38 × 54,791,707.48
  4. Step 4: Simplify right side
    101,201,830.36x = 7,652,036,307,348,351
  5. Step 5: Solve for x
    x = 7,652,036,307,348,351/101,201,830.36
  6. Step 6: Final answer
    x = 75,611,639.44

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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.