Home / 146,032,997.70-219,049,496.55-42,402,002.70

Finding the Fourth Proportional to 146,032,997.70, 219,049,496.55 and 42,402,002.70

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Solution

The fourth proportional to 146,032,997.70, 219,049,496.55 and 42,402,002.70 is: 63,603,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,032,997.70 : 219,049,496.55 = 42,402,002.70 : x
  2. Step 2: Convert to fraction form
    146,032,997.70/219,049,496.55 = 42,402,002.70/x
  3. Step 3: Cross multiply
    146,032,997.70x = 219,049,496.55 × 42,402,002.70
  4. Step 4: Simplify right side
    146,032,997.70x = 9,288,137,344,146,742
  5. Step 5: Solve for x
    x = 9,288,137,344,146,742/146,032,997.70
  6. Step 6: Final answer
    x = 63,603,004.05

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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.