Home / 243,576,396.15-365,346,220.93-77,573,192.61

Finding the Fourth Proportional to 243,576,396.15, 365,346,220.93 and 77,573,192.61

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Solution

The fourth proportional to 243,576,396.15, 365,346,220.93 and 77,573,192.61 is: 116,353,937.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,576,396.15 : 365,346,220.93 = 77,573,192.61 : x
  2. Step 2: Convert to fraction form
    243,576,396.15/365,346,220.93 = 77,573,192.61/x
  3. Step 3: Cross multiply
    243,576,396.15x = 365,346,220.93 × 77,573,192.61
  4. Step 4: Simplify right side
    243,576,396.15x = 28,341,072,765,538,504
  5. Step 5: Solve for x
    x = 28,341,072,765,538,504/243,576,396.15
  6. Step 6: Final answer
    x = 116,353,937.46

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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.