Home / 191,611,769.76-287,413,504.74-53,433,689.76

Finding the Fourth Proportional to 191,611,769.76, 287,413,504.74 and 53,433,689.76

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Solution

The fourth proportional to 191,611,769.76, 287,413,504.74 and 53,433,689.76 is: 80,149,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,611,769.76 : 287,413,504.74 = 53,433,689.76 : x
  2. Step 2: Convert to fraction form
    191,611,769.76/287,413,504.74 = 53,433,689.76/x
  3. Step 3: Cross multiply
    191,611,769.76x = 287,413,504.74 × 53,433,689.76
  4. Step 4: Simplify right side
    191,611,769.76x = 15,357,564,045,111,450
  5. Step 5: Solve for x
    x = 15,357,564,045,111,450/191,611,769.76
  6. Step 6: Final answer
    x = 80,149,377.38

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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.