Home / 191,769,486.92-287,858,933.40-82,648,509.56

Finding the Fourth Proportional to 191,769,486.92, 287,858,933.40 and 82,648,509.56

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Solution

The fourth proportional to 191,769,486.92, 287,858,933.40 and 82,648,509.56 is: 124,060,986.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,769,486.92 : 287,858,933.40 = 82,648,509.56 : x
  2. Step 2: Convert to fraction form
    191,769,486.92/287,858,933.40 = 82,648,509.56/x
  3. Step 3: Cross multiply
    191,769,486.92x = 287,858,933.40 × 82,648,509.56
  4. Step 4: Simplify right side
    191,769,486.92x = 23,791,111,809,041,304
  5. Step 5: Solve for x
    x = 23,791,111,809,041,304/191,769,486.92
  6. Step 6: Final answer
    x = 124,060,986.92

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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.