Home / 159,831,105-220,566,925.08-86,492,247

Finding the Fourth Proportional to 159,831,105, 220,566,925.08 and 86,492,247

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Solution

The fourth proportional to 159,831,105, 220,566,925.08 and 86,492,247 is: 119,359,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,831,105 : 220,566,925.08 = 86,492,247 : x
  2. Step 2: Convert to fraction form
    159,831,105/220,566,925.08 = 86,492,247/x
  3. Step 3: Cross multiply
    159,831,105x = 220,566,925.08 × 86,492,247
  4. Step 4: Simplify right side
    159,831,105x = 19,077,328,964,049,856
  5. Step 5: Solve for x
    x = 19,077,328,964,049,856/159,831,105
  6. Step 6: Final answer
    x = 119,359,300.96

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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.