Home / 191,859,004.20-287,788,506.30-179,009,941.80

Finding the Fourth Proportional to 191,859,004.20, 287,788,506.30 and 179,009,941.80

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Solution

The fourth proportional to 191,859,004.20, 287,788,506.30 and 179,009,941.80 is: 268,514,912.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,859,004.20 : 287,788,506.30 = 179,009,941.80 : x
  2. Step 2: Convert to fraction form
    191,859,004.20/287,788,506.30 = 179,009,941.80/x
  3. Step 3: Cross multiply
    191,859,004.20x = 287,788,506.30 × 179,009,941.80
  4. Step 4: Simplify right side
    191,859,004.20x = 51,517,003,763,471,936
  5. Step 5: Solve for x
    x = 51,517,003,763,471,936/191,859,004.20
  6. Step 6: Final answer
    x = 268,514,912.70

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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.