Home / 161,661,530.10-242,574,202.35-70,786,010.10

Finding the Fourth Proportional to 161,661,530.10, 242,574,202.35 and 70,786,010.10

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Solution

The fourth proportional to 161,661,530.10, 242,574,202.35 and 70,786,010.10 is: 106,214,879.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661,530.10 : 242,574,202.35 = 70,786,010.10 : x
  2. Step 2: Convert to fraction form
    161,661,530.10/242,574,202.35 = 70,786,010.10/x
  3. Step 3: Cross multiply
    161,661,530.10x = 242,574,202.35 × 70,786,010.10
  4. Step 4: Simplify right side
    161,661,530.10x = 17,170,859,937,546,542
  5. Step 5: Solve for x
    x = 17,170,859,937,546,542/161,661,530.10
  6. Step 6: Final answer
    x = 106,214,879.49

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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.