Home / 191,735,755.20-287,745,350.40-127,018,051.20

Finding the Fourth Proportional to 191,735,755.20, 287,745,350.40 and 127,018,051.20

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Solution

The fourth proportional to 191,735,755.20, 287,745,350.40 and 127,018,051.20 is: 190,620,959.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,735,755.20 : 287,745,350.40 = 127,018,051.20 : x
  2. Step 2: Convert to fraction form
    191,735,755.20/287,745,350.40 = 127,018,051.20/x
  3. Step 3: Cross multiply
    191,735,755.20x = 287,745,350.40 × 127,018,051.20
  4. Step 4: Simplify right side
    191,735,755.20x = 36,548,853,649,669,136
  5. Step 5: Solve for x
    x = 36,548,853,649,669,136/191,735,755.20
  6. Step 6: Final answer
    x = 190,620,959.62

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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.