Home / 55,166,057.36-76,129,158.86-31,974,636.39

Finding the Fourth Proportional to 55,166,057.36, 76,129,158.86 and 31,974,636.39

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Solution

The fourth proportional to 55,166,057.36, 76,129,158.86 and 31,974,636.39 is: 44,124,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166,057.36 : 76,129,158.86 = 31,974,636.39 : x
  2. Step 2: Convert to fraction form
    55,166,057.36/76,129,158.86 = 31,974,636.39/x
  3. Step 3: Cross multiply
    55,166,057.36x = 76,129,158.86 × 31,974,636.39
  4. Step 4: Simplify right side
    55,166,057.36x = 2,434,202,173,225,047
  5. Step 5: Solve for x
    x = 2,434,202,173,225,047/55,166,057.36
  6. Step 6: Final answer
    x = 44,124,998.05

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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.