Home / 70,747,807.49-106,143,369.02-36,228,650.12

Finding the Fourth Proportional to 70,747,807.49, 106,143,369.02 and 36,228,650.12

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Solution

The fourth proportional to 70,747,807.49, 106,143,369.02 and 36,228,650.12 is: 54,354,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,747,807.49 : 106,143,369.02 = 36,228,650.12 : x
  2. Step 2: Convert to fraction form
    70,747,807.49/106,143,369.02 = 36,228,650.12/x
  3. Step 3: Cross multiply
    70,747,807.49x = 106,143,369.02 × 36,228,650.12
  4. Step 4: Simplify right side
    70,747,807.49x = 3,845,430,978,602,484
  5. Step 5: Solve for x
    x = 3,845,430,978,602,484/70,747,807.49
  6. Step 6: Final answer
    x = 54,354,065.73

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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.