Home / 219,274,071.30-328,931,402.31-71,722,468.98

Finding the Fourth Proportional to 219,274,071.30, 328,931,402.31 and 71,722,468.98

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Solution

The fourth proportional to 219,274,071.30, 328,931,402.31 and 71,722,468.98 is: 107,590,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,274,071.30 : 328,931,402.31 = 71,722,468.98 : x
  2. Step 2: Convert to fraction form
    219,274,071.30/328,931,402.31 = 71,722,468.98/x
  3. Step 3: Cross multiply
    219,274,071.30x = 328,931,402.31 × 71,722,468.98
  4. Step 4: Simplify right side
    219,274,071.30x = 23,591,772,298,726,876
  5. Step 5: Solve for x
    x = 23,591,772,298,726,876/219,274,071.30
  6. Step 6: Final answer
    x = 107,590,341.89

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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.