Home / 308,405,587.81-425,595,740.61-176,245,070.89

Finding the Fourth Proportional to 308,405,587.81, 425,595,740.61 and 176,245,070.89

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Solution

The fourth proportional to 308,405,587.81, 425,595,740.61 and 176,245,070.89 is: 243,215,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,405,587.81 : 425,595,740.61 = 176,245,070.89 : x
  2. Step 2: Convert to fraction form
    308,405,587.81/425,595,740.61 = 176,245,070.89/x
  3. Step 3: Cross multiply
    308,405,587.81x = 425,595,740.61 × 176,245,070.89
  4. Step 4: Simplify right side
    308,405,587.81x = 75,009,151,474,291,504
  5. Step 5: Solve for x
    x = 75,009,151,474,291,504/308,405,587.81
  6. Step 6: Final answer
    x = 243,215,928.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.