Home / 117,360,013.20-176,040,019.80-73,994,427.60

Finding the Fourth Proportional to 117,360,013.20, 176,040,019.80 and 73,994,427.60

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Solution

The fourth proportional to 117,360,013.20, 176,040,019.80 and 73,994,427.60 is: 110,991,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,360,013.20 : 176,040,019.80 = 73,994,427.60 : x
  2. Step 2: Convert to fraction form
    117,360,013.20/176,040,019.80 = 73,994,427.60/x
  3. Step 3: Cross multiply
    117,360,013.20x = 176,040,019.80 × 73,994,427.60
  4. Step 4: Simplify right side
    117,360,013.20x = 13,025,980,499,793,666
  5. Step 5: Solve for x
    x = 13,025,980,499,793,666/117,360,013.20
  6. Step 6: Final answer
    x = 110,991,641.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.