Home / 243,576,393.64-365,346,217.19-77,573,190.11

Finding the Fourth Proportional to 243,576,393.64, 365,346,217.19 and 77,573,190.11

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Solution

The fourth proportional to 243,576,393.64, 365,346,217.19 and 77,573,190.11 is: 116,353,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,576,393.64 : 365,346,217.19 = 77,573,190.11 : x
  2. Step 2: Convert to fraction form
    243,576,393.64/365,346,217.19 = 77,573,190.11/x
  3. Step 3: Cross multiply
    243,576,393.64x = 365,346,217.19 × 77,573,190.11
  4. Step 4: Simplify right side
    243,576,393.64x = 28,341,071,560,416,424
  5. Step 5: Solve for x
    x = 28,341,071,560,416,424/243,576,393.64
  6. Step 6: Final answer
    x = 116,353,933.72

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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.