Home / 191,859,009.20-287,788,513.80-179,009,946.80

Finding the Fourth Proportional to 191,859,009.20, 287,788,513.80 and 179,009,946.80

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Solution

The fourth proportional to 191,859,009.20, 287,788,513.80 and 179,009,946.80 is: 268,514,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,859,009.20 : 287,788,513.80 = 179,009,946.80 : x
  2. Step 2: Convert to fraction form
    191,859,009.20/287,788,513.80 = 179,009,946.80/x
  3. Step 3: Cross multiply
    191,859,009.20x = 287,788,513.80 × 179,009,946.80
  4. Step 4: Simplify right side
    191,859,009.20x = 51,517,006,544,989,072
  5. Step 5: Solve for x
    x = 51,517,006,544,989,072/191,859,009.20
  6. Step 6: Final answer
    x = 268,514,920.20

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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.