Home / 144,928,555.70-217,318,366.20-42,679,307.30

Finding the Fourth Proportional to 144,928,555.70, 217,318,366.20 and 42,679,307.30

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Solution

The fourth proportional to 144,928,555.70, 217,318,366.20 and 42,679,307.30 is: 63,997,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,928,555.70 : 217,318,366.20 = 42,679,307.30 : x
  2. Step 2: Convert to fraction form
    144,928,555.70/217,318,366.20 = 42,679,307.30/x
  3. Step 3: Cross multiply
    144,928,555.70x = 217,318,366.20 × 42,679,307.30
  4. Step 4: Simplify right side
    144,928,555.70x = 9,274,997,332,983,732
  5. Step 5: Solve for x
    x = 9,274,997,332,983,732/144,928,555.70
  6. Step 6: Final answer
    x = 63,997,031.42

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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.