Home / 540,142,490.32-810,213,745.20-131,195,885.20

Finding the Fourth Proportional to 540,142,490.32, 810,213,745.20 and 131,195,885.20

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Solution

The fourth proportional to 540,142,490.32, 810,213,745.20 and 131,195,885.20 is: 196,793,830.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,142,490.32 : 810,213,745.20 = 131,195,885.20 : x
  2. Step 2: Convert to fraction form
    540,142,490.32/810,213,745.20 = 131,195,885.20/x
  3. Step 3: Cross multiply
    540,142,490.32x = 810,213,745.20 × 131,195,885.20
  4. Step 4: Simplify right side
    540,142,490.32x = 106,296,709,502,721,264
  5. Step 5: Solve for x
    x = 106,296,709,502,721,264/540,142,490.32
  6. Step 6: Final answer
    x = 196,793,830.16

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1.5x scale

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.