Home / 209,953,026.60-315,087,003.90-107,664,412.20

Finding the Fourth Proportional to 209,953,026.60, 315,087,003.90 and 107,664,412.20

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Solution

The fourth proportional to 209,953,026.60, 315,087,003.90 and 107,664,412.20 is: 161,577,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,026.60 : 315,087,003.90 = 107,664,412.20 : x
  2. Step 2: Convert to fraction form
    209,953,026.60/315,087,003.90 = 107,664,412.20/x
  3. Step 3: Cross multiply
    209,953,026.60x = 315,087,003.90 × 107,664,412.20
  4. Step 4: Simplify right side
    209,953,026.60x = 33,923,657,066,752,604
  5. Step 5: Solve for x
    x = 33,923,657,066,752,604/209,953,026.60
  6. Step 6: Final answer
    x = 161,577,366.21

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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.