Home / 115,209,681.14-172,814,696.98-47,052,372.89

Finding the Fourth Proportional to 115,209,681.14, 172,814,696.98 and 47,052,372.89

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Solution

The fourth proportional to 115,209,681.14, 172,814,696.98 and 47,052,372.89 is: 70,578,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,209,681.14 : 172,814,696.98 = 47,052,372.89 : x
  2. Step 2: Convert to fraction form
    115,209,681.14/172,814,696.98 = 47,052,372.89/x
  3. Step 3: Cross multiply
    115,209,681.14x = 172,814,696.98 × 47,052,372.89
  4. Step 4: Simplify right side
    115,209,681.14x = 8,131,341,563,489,722
  5. Step 5: Solve for x
    x = 8,131,341,563,489,722/115,209,681.14
  6. Step 6: Final answer
    x = 70,578,630.92

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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.