Home / 178,849,101.70-246,837,897.21-100,539,105.22

Finding the Fourth Proportional to 178,849,101.70, 246,837,897.21 and 100,539,105.22

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Solution

The fourth proportional to 178,849,101.70, 246,837,897.21 and 100,539,105.22 is: 138,758,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,849,101.70 : 246,837,897.21 = 100,539,105.22 : x
  2. Step 2: Convert to fraction form
    178,849,101.70/246,837,897.21 = 100,539,105.22/x
  3. Step 3: Cross multiply
    178,849,101.70x = 246,837,897.21 × 100,539,105.22
  4. Step 4: Simplify right side
    178,849,101.70x = 24,816,861,319,879,736
  5. Step 5: Solve for x
    x = 24,816,861,319,879,736/178,849,101.70
  6. Step 6: Final answer
    x = 138,758,657.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.