Home / 101,546,663.18-140,130,465.12-55,135,855.04

Finding the Fourth Proportional to 101,546,663.18, 140,130,465.12 and 55,135,855.04

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Solution

The fourth proportional to 101,546,663.18, 140,130,465.12 and 55,135,855.04 is: 76,085,346.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546,663.18 : 140,130,465.12 = 55,135,855.04 : x
  2. Step 2: Convert to fraction form
    101,546,663.18/140,130,465.12 = 55,135,855.04/x
  3. Step 3: Cross multiply
    101,546,663.18x = 140,130,465.12 × 55,135,855.04
  4. Step 4: Simplify right side
    101,546,663.18x = 7,726,213,010,843,444
  5. Step 5: Solve for x
    x = 7,726,213,010,843,444/101,546,663.18
  6. Step 6: Final answer
    x = 76,085,346.08

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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.