Home / 540,012,020.16-810,012,125.34-131,068,170.66

Finding the Fourth Proportional to 540,012,020.16, 810,012,125.34 and 131,068,170.66

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Solution

The fourth proportional to 540,012,020.16, 810,012,125.34 and 131,068,170.66 is: 196,600,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,012,020.16 : 810,012,125.34 = 131,068,170.66 : x
  2. Step 2: Convert to fraction form
    540,012,020.16/810,012,125.34 = 131,068,170.66/x
  3. Step 3: Cross multiply
    540,012,020.16x = 810,012,125.34 × 131,068,170.66
  4. Step 4: Simplify right side
    540,012,020.16x = 106,166,807,480,732,432
  5. Step 5: Solve for x
    x = 106,166,807,480,732,432/540,012,020.16
  6. Step 6: Final answer
    x = 196,600,822.79

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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.