Home / 209,485,892.16-314,228,818.80-80,106,588

Finding the Fourth Proportional to 209,485,892.16, 314,228,818.80 and 80,106,588

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Solution

The fourth proportional to 209,485,892.16, 314,228,818.80 and 80,106,588 is: 120,159,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,485,892.16 : 314,228,818.80 = 80,106,588 : x
  2. Step 2: Convert to fraction form
    209,485,892.16/314,228,818.80 = 80,106,588/x
  3. Step 3: Cross multiply
    209,485,892.16x = 314,228,818.80 × 80,106,588
  4. Step 4: Simplify right side
    209,485,892.16x = 25,171,798,525,338,256
  5. Step 5: Solve for x
    x = 25,171,798,525,338,256/209,485,892.16
  6. Step 6: Final answer
    x = 120,159,874.57

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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.