Home / 178,041,433.45-266,986,479.81-72,924,307.37

Finding the Fourth Proportional to 178,041,433.45, 266,986,479.81 and 72,924,307.37

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Solution

The fourth proportional to 178,041,433.45, 266,986,479.81 and 72,924,307.37 is: 109,355,467.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,041,433.45 : 266,986,479.81 = 72,924,307.37 : x
  2. Step 2: Convert to fraction form
    178,041,433.45/266,986,479.81 = 72,924,307.37/x
  3. Step 3: Cross multiply
    178,041,433.45x = 266,986,479.81 × 72,924,307.37
  4. Step 4: Simplify right side
    178,041,433.45x = 19,469,804,115,872,152
  5. Step 5: Solve for x
    x = 19,469,804,115,872,152/178,041,433.45
  6. Step 6: Final answer
    x = 109,355,467.09

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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.