Home / 305,910,710.76-422,156,841.58-166,681,472.52

Finding the Fourth Proportional to 305,910,710.76, 422,156,841.58 and 166,681,472.52

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Solution

The fourth proportional to 305,910,710.76, 422,156,841.58 and 166,681,472.52 is: 230,020,465.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,910,710.76 : 422,156,841.58 = 166,681,472.52 : x
  2. Step 2: Convert to fraction form
    305,910,710.76/422,156,841.58 = 166,681,472.52/x
  3. Step 3: Cross multiply
    305,910,710.76x = 422,156,841.58 × 166,681,472.52
  4. Step 4: Simplify right side
    305,910,710.76x = 70,365,723,988,946,768
  5. Step 5: Solve for x
    x = 70,365,723,988,946,768/305,910,710.76
  6. Step 6: Final answer
    x = 230,020,465.17

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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.