Home / 55,775,597.54-76,972,193.78-30,996,828.76

Finding the Fourth Proportional to 55,775,597.54, 76,972,193.78 and 30,996,828.76

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Solution

The fourth proportional to 55,775,597.54, 76,972,193.78 and 30,996,828.76 is: 42,776,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,775,597.54 : 76,972,193.78 = 30,996,828.76 : x
  2. Step 2: Convert to fraction form
    55,775,597.54/76,972,193.78 = 30,996,828.76/x
  3. Step 3: Cross multiply
    55,775,597.54x = 76,972,193.78 × 30,996,828.76
  4. Step 4: Simplify right side
    55,775,597.54x = 2,385,893,909,880,197.50
  5. Step 5: Solve for x
    x = 2,385,893,909,880,197.50/55,775,597.54
  6. Step 6: Final answer
    x = 42,776,662.47

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1.5x scale

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.