Home / 86,196,898.91-118,954,247.09-47,041,193.21

Finding the Fourth Proportional to 86,196,898.91, 118,954,247.09 and 47,041,193.21

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Solution

The fourth proportional to 86,196,898.91, 118,954,247.09 and 47,041,193.21 is: 64,918,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,196,898.91 : 118,954,247.09 = 47,041,193.21 : x
  2. Step 2: Convert to fraction form
    86,196,898.91/118,954,247.09 = 47,041,193.21/x
  3. Step 3: Cross multiply
    86,196,898.91x = 118,954,247.09 × 47,041,193.21
  4. Step 4: Simplify right side
    86,196,898.91x = 5,595,749,719,680,793
  5. Step 5: Solve for x
    x = 5,595,749,719,680,793/86,196,898.91
  6. Step 6: Final answer
    x = 64,918,225.48

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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.