Home / 142,196,999.40-213,295,499.10-131,111,533.80

Finding the Fourth Proportional to 142,196,999.40, 213,295,499.10 and 131,111,533.80

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Solution

The fourth proportional to 142,196,999.40, 213,295,499.10 and 131,111,533.80 is: 196,667,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,196,999.40 : 213,295,499.10 = 131,111,533.80 : x
  2. Step 2: Convert to fraction form
    142,196,999.40/213,295,499.10 = 131,111,533.80/x
  3. Step 3: Cross multiply
    142,196,999.40x = 213,295,499.10 × 131,111,533.80
  4. Step 4: Simplify right side
    142,196,999.40x = 27,965,500,039,637,520
  5. Step 5: Solve for x
    x = 27,965,500,039,637,520/142,196,999.40
  6. Step 6: Final answer
    x = 196,667,300.70

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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.