Home / 291,886,824.66-402,803,777.64-159,727,786.15

Finding the Fourth Proportional to 291,886,824.66, 402,803,777.64 and 159,727,786.15

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Solution

The fourth proportional to 291,886,824.66, 402,803,777.64 and 159,727,786.15 is: 220,424,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,886,824.66 : 402,803,777.64 = 159,727,786.15 : x
  2. Step 2: Convert to fraction form
    291,886,824.66/402,803,777.64 = 159,727,786.15/x
  3. Step 3: Cross multiply
    291,886,824.66x = 402,803,777.64 × 159,727,786.15
  4. Step 4: Simplify right side
    291,886,824.66x = 64,338,955,654,287,064
  5. Step 5: Solve for x
    x = 64,338,955,654,287,064/291,886,824.66
  6. Step 6: Final answer
    x = 220,424,322.78

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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.