Home / 402,093,555.62-602,794,896.17-139,744,020.87

Finding the Fourth Proportional to 402,093,555.62, 602,794,896.17 and 139,744,020.87

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Solution

The fourth proportional to 402,093,555.62, 602,794,896.17 and 139,744,020.87 is: 209,495,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,093,555.62 : 602,794,896.17 = 139,744,020.87 : x
  2. Step 2: Convert to fraction form
    402,093,555.62/602,794,896.17 = 139,744,020.87/x
  3. Step 3: Cross multiply
    402,093,555.62x = 602,794,896.17 × 139,744,020.87
  4. Step 4: Simplify right side
    402,093,555.62x = 84,236,982,550,011,248
  5. Step 5: Solve for x
    x = 84,236,982,550,011,248/402,093,555.62
  6. Step 6: Final answer
    x = 209,495,977.67

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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.