Home / 150,178,475.70-225,267,713.55-139,655,943.90

Finding the Fourth Proportional to 150,178,475.70, 225,267,713.55 and 139,655,943.90

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Solution

The fourth proportional to 150,178,475.70, 225,267,713.55 and 139,655,943.90 is: 209,483,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,178,475.70 : 225,267,713.55 = 139,655,943.90 : x
  2. Step 2: Convert to fraction form
    150,178,475.70/225,267,713.55 = 139,655,943.90/x
  3. Step 3: Cross multiply
    150,178,475.70x = 225,267,713.55 × 139,655,943.90
  4. Step 4: Simplify right side
    150,178,475.70x = 31,459,975,166,020,072
  5. Step 5: Solve for x
    x = 31,459,975,166,020,072/150,178,475.70
  6. Step 6: Final answer
    x = 209,483,915.85

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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.