Home / 191,859,005.70-287,788,508.55-179,009,943.30

Finding the Fourth Proportional to 191,859,005.70, 287,788,508.55 and 179,009,943.30

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Solution

The fourth proportional to 191,859,005.70, 287,788,508.55 and 179,009,943.30 is: 268,514,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,859,005.70 : 287,788,508.55 = 179,009,943.30 : x
  2. Step 2: Convert to fraction form
    191,859,005.70/287,788,508.55 = 179,009,943.30/x
  3. Step 3: Cross multiply
    191,859,005.70x = 287,788,508.55 × 179,009,943.30
  4. Step 4: Simplify right side
    191,859,005.70x = 51,517,004,597,927,072
  5. Step 5: Solve for x
    x = 51,517,004,597,927,072/191,859,005.70
  6. Step 6: Final answer
    x = 268,514,914.95

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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.