Home / 245,599,889.40-339,080,805.68-156,342,196

Finding the Fourth Proportional to 245,599,889.40, 339,080,805.68 and 156,342,196

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Solution

The fourth proportional to 245,599,889.40, 339,080,805.68 and 156,342,196 is: 215,849,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,599,889.40 : 339,080,805.68 = 156,342,196 : x
  2. Step 2: Convert to fraction form
    245,599,889.40/339,080,805.68 = 156,342,196/x
  3. Step 3: Cross multiply
    245,599,889.40x = 339,080,805.68 × 156,342,196
  4. Step 4: Simplify right side
    245,599,889.40x = 53,012,637,781,460,472
  5. Step 5: Solve for x
    x = 53,012,637,781,460,472/245,599,889.40
  6. Step 6: Final answer
    x = 215,849,599.57

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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.