Home / 178,896,007.70-268,344,011.55-158,488,673.30

Finding the Fourth Proportional to 178,896,007.70, 268,344,011.55 and 158,488,673.30

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Solution

The fourth proportional to 178,896,007.70, 268,344,011.55 and 158,488,673.30 is: 237,733,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,896,007.70 : 268,344,011.55 = 158,488,673.30 : x
  2. Step 2: Convert to fraction form
    178,896,007.70/268,344,011.55 = 158,488,673.30/x
  3. Step 3: Cross multiply
    178,896,007.70x = 268,344,011.55 × 158,488,673.30
  4. Step 4: Simplify right side
    178,896,007.70x = 42,529,486,378,559,384
  5. Step 5: Solve for x
    x = 42,529,486,378,559,384/178,896,007.70
  6. Step 6: Final answer
    x = 237,733,009.95

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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.