Home / 141,768,130.80-212,699,435.40-126,529,114.80

Finding the Fourth Proportional to 141,768,130.80, 212,699,435.40 and 126,529,114.80

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Solution

The fourth proportional to 141,768,130.80, 212,699,435.40 and 126,529,114.80 is: 189,835,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,768,130.80 : 212,699,435.40 = 126,529,114.80 : x
  2. Step 2: Convert to fraction form
    141,768,130.80/212,699,435.40 = 126,529,114.80/x
  3. Step 3: Cross multiply
    141,768,130.80x = 212,699,435.40 × 126,529,114.80
  4. Step 4: Simplify right side
    141,768,130.80x = 26,912,671,279,621,784
  5. Step 5: Solve for x
    x = 26,912,671,279,621,784/141,768,130.80
  6. Step 6: Final answer
    x = 189,835,833.54

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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.