Home / 161,855,784.60-242,783,676.90-143,149,061.40

Finding the Fourth Proportional to 161,855,784.60, 242,783,676.90 and 143,149,061.40

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Solution

The fourth proportional to 161,855,784.60, 242,783,676.90 and 143,149,061.40 is: 214,723,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,855,784.60 : 242,783,676.90 = 143,149,061.40 : x
  2. Step 2: Convert to fraction form
    161,855,784.60/242,783,676.90 = 143,149,061.40/x
  3. Step 3: Cross multiply
    161,855,784.60x = 242,783,676.90 × 143,149,061.40
  4. Step 4: Simplify right side
    161,855,784.60x = 34,754,255,471,475,864
  5. Step 5: Solve for x
    x = 34,754,255,471,475,864/161,855,784.60
  6. Step 6: Final answer
    x = 214,723,592.10

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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.