Home / 115,209,816.93-172,814,900.38-47,052,508.68

Finding the Fourth Proportional to 115,209,816.93, 172,814,900.38 and 47,052,508.68

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Solution

The fourth proportional to 115,209,816.93, 172,814,900.38 and 47,052,508.68 is: 70,578,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,816.93 : 172,814,900.38 = 47,052,508.68 : x
  2. Step 2: Convert to fraction form
    115,209,816.93/172,814,900.38 = 47,052,508.68/x
  3. Step 3: Cross multiply
    115,209,816.93x = 172,814,900.38 × 47,052,508.68
  4. Step 4: Simplify right side
    115,209,816.93x = 8,131,374,600,045,654
  5. Step 5: Solve for x
    x = 8,131,374,600,045,654/115,209,816.93
  6. Step 6: Final answer
    x = 70,578,834.48

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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.