Home / 191,721,827.60-287,582,741.40-89,496,198.80

Finding the Fourth Proportional to 191,721,827.60, 287,582,741.40 and 89,496,198.80

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Solution

The fourth proportional to 191,721,827.60, 287,582,741.40 and 89,496,198.80 is: 134,244,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,721,827.60 : 287,582,741.40 = 89,496,198.80 : x
  2. Step 2: Convert to fraction form
    191,721,827.60/287,582,741.40 = 89,496,198.80/x
  3. Step 3: Cross multiply
    191,721,827.60x = 287,582,741.40 × 89,496,198.80
  4. Step 4: Simplify right side
    191,721,827.60x = 25,737,562,195,783,388
  5. Step 5: Solve for x
    x = 25,737,562,195,783,388/191,721,827.60
  6. Step 6: Final answer
    x = 134,244,298.20

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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.