Home / 161,654,178.79-242,634,568.11-100,057,011.40

Finding the Fourth Proportional to 161,654,178.79, 242,634,568.11 and 100,057,011.40

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Solution

The fourth proportional to 161,654,178.79, 242,634,568.11 and 100,057,011.40 is: 150,180,403.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,654,178.79 : 242,634,568.11 = 100,057,011.40 : x
  2. Step 2: Convert to fraction form
    161,654,178.79/242,634,568.11 = 100,057,011.40/x
  3. Step 3: Cross multiply
    161,654,178.79x = 242,634,568.11 × 100,057,011.40
  4. Step 4: Simplify right side
    161,654,178.79x = 24,277,289,747,416,348
  5. Step 5: Solve for x
    x = 24,277,289,747,416,348/161,654,178.79
  6. Step 6: Final answer
    x = 150,180,403.19

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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.