Home / 243,576,395.15-365,346,219.44-77,573,191.61

Finding the Fourth Proportional to 243,576,395.15, 365,346,219.44 and 77,573,191.61

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Solution

The fourth proportional to 243,576,395.15, 365,346,219.44 and 77,573,191.61 is: 116,353,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,576,395.15 : 365,346,219.44 = 77,573,191.61 : x
  2. Step 2: Convert to fraction form
    243,576,395.15/365,346,219.44 = 77,573,191.61/x
  3. Step 3: Cross multiply
    243,576,395.15x = 365,346,219.44 × 77,573,191.61
  4. Step 4: Simplify right side
    243,576,395.15x = 28,341,072,282,393,632
  5. Step 5: Solve for x
    x = 28,341,072,282,393,632/243,576,395.15
  6. Step 6: Final answer
    x = 116,353,935.96

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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.