Home / 243,631,861.32-365,301,809.46-77,563,596.36

Finding the Fourth Proportional to 243,631,861.32, 365,301,809.46 and 77,563,596.36

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Solution

The fourth proportional to 243,631,861.32, 365,301,809.46 and 77,563,596.36 is: 116,298,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,631,861.32 : 365,301,809.46 = 77,563,596.36 : x
  2. Step 2: Convert to fraction form
    243,631,861.32/365,301,809.46 = 77,563,596.36/x
  3. Step 3: Cross multiply
    243,631,861.32x = 365,301,809.46 × 77,563,596.36
  4. Step 4: Simplify right side
    243,631,861.32x = 28,334,122,098,533,068
  5. Step 5: Solve for x
    x = 28,334,122,098,533,068/243,631,861.32
  6. Step 6: Final answer
    x = 116,298,918.97

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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.