Home / 278,867,234.04-384,829,056.45-151,703,696.22

Finding the Fourth Proportional to 278,867,234.04, 384,829,056.45 and 151,703,696.22

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Solution

The fourth proportional to 278,867,234.04, 384,829,056.45 and 151,703,696.22 is: 209,346,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,867,234.04 : 384,829,056.45 = 151,703,696.22 : x
  2. Step 2: Convert to fraction form
    278,867,234.04/384,829,056.45 = 151,703,696.22/x
  3. Step 3: Cross multiply
    278,867,234.04x = 384,829,056.45 × 151,703,696.22
  4. Step 4: Simplify right side
    278,867,234.04x = 58,379,990,276,320,032
  5. Step 5: Solve for x
    x = 58,379,990,276,320,032/278,867,234.04
  6. Step 6: Final answer
    x = 209,346,897.56

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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.