Home / 142,470,505.80-213,705,758.70-134,534,320.20

Finding the Fourth Proportional to 142,470,505.80, 213,705,758.70 and 134,534,320.20

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Solution

The fourth proportional to 142,470,505.80, 213,705,758.70 and 134,534,320.20 is: 201,801,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,470,505.80 : 213,705,758.70 = 134,534,320.20 : x
  2. Step 2: Convert to fraction form
    142,470,505.80/213,705,758.70 = 134,534,320.20/x
  3. Step 3: Cross multiply
    142,470,505.80x = 213,705,758.70 × 134,534,320.20
  4. Step 4: Simplify right side
    142,470,505.80x = 28,750,758,969,529,732
  5. Step 5: Solve for x
    x = 28,750,758,969,529,732/142,470,505.80
  6. Step 6: Final answer
    x = 201,801,480.30

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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.