Home / 212,759,663.72-293,595,682.46-123,444,688.77

Finding the Fourth Proportional to 212,759,663.72, 293,595,682.46 and 123,444,688.77

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Solution

The fourth proportional to 212,759,663.72, 293,595,682.46 and 123,444,688.77 is: 170,346,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,759,663.72 : 293,595,682.46 = 123,444,688.77 : x
  2. Step 2: Convert to fraction form
    212,759,663.72/293,595,682.46 = 123,444,688.77/x
  3. Step 3: Cross multiply
    212,759,663.72x = 293,595,682.46 × 123,444,688.77
  4. Step 4: Simplify right side
    212,759,663.72x = 36,242,827,644,873,224
  5. Step 5: Solve for x
    x = 36,242,827,644,873,224/212,759,663.72
  6. Step 6: Final answer
    x = 170,346,328.87

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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.