Home / 291,385,330.76-402,134,683.44-165,942,835.58

Finding the Fourth Proportional to 291,385,330.76, 402,134,683.44 and 165,942,835.58

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Solution

The fourth proportional to 291,385,330.76, 402,134,683.44 and 165,942,835.58 is: 229,014,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,385,330.76 : 402,134,683.44 = 165,942,835.58 : x
  2. Step 2: Convert to fraction form
    291,385,330.76/402,134,683.44 = 165,942,835.58/x
  3. Step 3: Cross multiply
    291,385,330.76x = 402,134,683.44 × 165,942,835.58
  4. Step 4: Simplify right side
    291,385,330.76x = 66,731,369,653,088,592
  5. Step 5: Solve for x
    x = 66,731,369,653,088,592/291,385,330.76
  6. Step 6: Final answer
    x = 229,014,169.93

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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.