Home / 115,209,812.61-172,814,893.86-47,052,504.36

Finding the Fourth Proportional to 115,209,812.61, 172,814,893.86 and 47,052,504.36

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Solution

The fourth proportional to 115,209,812.61, 172,814,893.86 and 47,052,504.36 is: 70,578,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,812.61 : 172,814,893.86 = 47,052,504.36 : x
  2. Step 2: Convert to fraction form
    115,209,812.61/172,814,893.86 = 47,052,504.36/x
  3. Step 3: Cross multiply
    115,209,812.61x = 172,814,893.86 × 47,052,504.36
  4. Step 4: Simplify right side
    115,209,812.61x = 8,131,373,546,820,588
  5. Step 5: Solve for x
    x = 8,131,373,546,820,588/115,209,812.61
  6. Step 6: Final answer
    x = 70,578,827.99

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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.