Home / 432,378,140.76-648,433,073.58-155,993,425.38

Finding the Fourth Proportional to 432,378,140.76, 648,433,073.58 and 155,993,425.38

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Solution

The fourth proportional to 432,378,140.76, 648,433,073.58 and 155,993,425.38 is: 233,941,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,378,140.76 : 648,433,073.58 = 155,993,425.38 : x
  2. Step 2: Convert to fraction form
    432,378,140.76/648,433,073.58 = 155,993,425.38/x
  3. Step 3: Cross multiply
    432,378,140.76x = 648,433,073.58 × 155,993,425.38
  4. Step 4: Simplify right side
    432,378,140.76x = 101,151,296,277,425,776
  5. Step 5: Solve for x
    x = 101,151,296,277,425,776/432,378,140.76
  6. Step 6: Final answer
    x = 233,941,743.91

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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.