Home / 291,334,664.96-402,037,145.70-159,172,823.69

Finding the Fourth Proportional to 291,334,664.96, 402,037,145.70 and 159,172,823.69

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Solution

The fourth proportional to 291,334,664.96, 402,037,145.70 and 159,172,823.69 is: 219,655,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,334,664.96 : 402,037,145.70 = 159,172,823.69 : x
  2. Step 2: Convert to fraction form
    291,334,664.96/402,037,145.70 = 159,172,823.69/x
  3. Step 3: Cross multiply
    291,334,664.96x = 402,037,145.70 × 159,172,823.69
  4. Step 4: Simplify right side
    291,334,664.96x = 63,993,387,709,132,048
  5. Step 5: Solve for x
    x = 63,993,387,709,132,048/291,334,664.96
  6. Step 6: Final answer
    x = 219,655,933.21

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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.