Home / 127,728,091.80-191,592,137.70-36,854,645.40

Finding the Fourth Proportional to 127,728,091.80, 191,592,137.70 and 36,854,645.40

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Solution

The fourth proportional to 127,728,091.80, 191,592,137.70 and 36,854,645.40 is: 55,281,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,728,091.80 : 191,592,137.70 = 36,854,645.40 : x
  2. Step 2: Convert to fraction form
    127,728,091.80/191,592,137.70 = 36,854,645.40/x
  3. Step 3: Cross multiply
    127,728,091.80x = 191,592,137.70 × 36,854,645.40
  4. Step 4: Simplify right side
    127,728,091.80x = 7,061,060,296,361,471
  5. Step 5: Solve for x
    x = 7,061,060,296,361,471/127,728,091.80
  6. Step 6: Final answer
    x = 55,281,968.10

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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.