Home / 132,078,699.20-198,118,048.80-101,845,611.20

Finding the Fourth Proportional to 132,078,699.20, 198,118,048.80 and 101,845,611.20

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Solution

The fourth proportional to 132,078,699.20, 198,118,048.80 and 101,845,611.20 is: 152,768,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,078,699.20 : 198,118,048.80 = 101,845,611.20 : x
  2. Step 2: Convert to fraction form
    132,078,699.20/198,118,048.80 = 101,845,611.20/x
  3. Step 3: Cross multiply
    132,078,699.20x = 198,118,048.80 × 101,845,611.20
  4. Step 4: Simplify right side
    132,078,699.20x = 20,177,453,769,787,428
  5. Step 5: Solve for x
    x = 20,177,453,769,787,428/132,078,699.20
  6. Step 6: Final answer
    x = 152,768,416.80

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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.