Home / 115,209,810.16-172,814,890.21-47,052,501.91

Finding the Fourth Proportional to 115,209,810.16, 172,814,890.21 and 47,052,501.91

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Solution

The fourth proportional to 115,209,810.16, 172,814,890.21 and 47,052,501.91 is: 70,578,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,810.16 : 172,814,890.21 = 47,052,501.91 : x
  2. Step 2: Convert to fraction form
    115,209,810.16/172,814,890.21 = 47,052,501.91/x
  3. Step 3: Cross multiply
    115,209,810.16x = 172,814,890.21 × 47,052,501.91
  4. Step 4: Simplify right side
    115,209,810.16x = 8,131,372,951,132,797
  5. Step 5: Solve for x
    x = 8,131,372,951,132,797/115,209,810.16
  6. Step 6: Final answer
    x = 70,578,824.32

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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.