Home / 209,282,669.60-313,924,004.40-63,715,074.80

Finding the Fourth Proportional to 209,282,669.60, 313,924,004.40 and 63,715,074.80

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Solution

The fourth proportional to 209,282,669.60, 313,924,004.40 and 63,715,074.80 is: 95,572,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,282,669.60 : 313,924,004.40 = 63,715,074.80 : x
  2. Step 2: Convert to fraction form
    209,282,669.60/313,924,004.40 = 63,715,074.80/x
  3. Step 3: Cross multiply
    209,282,669.60x = 313,924,004.40 × 63,715,074.80
  4. Step 4: Simplify right side
    209,282,669.60x = 20,001,691,421,861,528
  5. Step 5: Solve for x
    x = 20,001,691,421,861,528/209,282,669.60
  6. Step 6: Final answer
    x = 95,572,612.20

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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.