Home / 161,935,513.20-242,903,269.80-146,315,084.40

Finding the Fourth Proportional to 161,935,513.20, 242,903,269.80 and 146,315,084.40

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Solution

The fourth proportional to 161,935,513.20, 242,903,269.80 and 146,315,084.40 is: 219,472,626.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,935,513.20 : 242,903,269.80 = 146,315,084.40 : x
  2. Step 2: Convert to fraction form
    161,935,513.20/242,903,269.80 = 146,315,084.40/x
  3. Step 3: Cross multiply
    161,935,513.20x = 242,903,269.80 × 146,315,084.40
  4. Step 4: Simplify right side
    161,935,513.20x = 35,540,412,421,822,976
  5. Step 5: Solve for x
    x = 35,540,412,421,822,976/161,935,513.20
  6. Step 6: Final answer
    x = 219,472,626.60

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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.