Home / 191,352,901.48-263,984,168.08-117,016,711.72

Finding the Fourth Proportional to 191,352,901.48, 263,984,168.08 and 117,016,711.72

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Solution

The fourth proportional to 191,352,901.48, 263,984,168.08 and 117,016,711.72 is: 161,432,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,352,901.48 : 263,984,168.08 = 117,016,711.72 : x
  2. Step 2: Convert to fraction form
    191,352,901.48/263,984,168.08 = 117,016,711.72/x
  3. Step 3: Cross multiply
    191,352,901.48x = 263,984,168.08 × 117,016,711.72
  4. Step 4: Simplify right side
    191,352,901.48x = 30,890,559,294,861,388
  5. Step 5: Solve for x
    x = 30,890,559,294,861,388/191,352,901.48
  6. Step 6: Final answer
    x = 161,432,406.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.