Home / 117,942,437.80-176,913,656.70-111,246,281.20

Finding the Fourth Proportional to 117,942,437.80, 176,913,656.70 and 111,246,281.20

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Solution

The fourth proportional to 117,942,437.80, 176,913,656.70 and 111,246,281.20 is: 166,869,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942,437.80 : 176,913,656.70 = 111,246,281.20 : x
  2. Step 2: Convert to fraction form
    117,942,437.80/176,913,656.70 = 111,246,281.20/x
  3. Step 3: Cross multiply
    117,942,437.80x = 176,913,656.70 × 111,246,281.20
  4. Step 4: Simplify right side
    117,942,437.80x = 19,680,986,401,368,464
  5. Step 5: Solve for x
    x = 19,680,986,401,368,464/117,942,437.80
  6. Step 6: Final answer
    x = 166,869,421.80

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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.