Home / 217,823,193.60-326,734,790.40-216,547,735.20

Finding the Fourth Proportional to 217,823,193.60, 326,734,790.40 and 216,547,735.20

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Solution

The fourth proportional to 217,823,193.60, 326,734,790.40 and 216,547,735.20 is: 324,821,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,823,193.60 : 326,734,790.40 = 216,547,735.20 : x
  2. Step 2: Convert to fraction form
    217,823,193.60/326,734,790.40 = 216,547,735.20/x
  3. Step 3: Cross multiply
    217,823,193.60x = 326,734,790.40 × 216,547,735.20
  4. Step 4: Simplify right side
    217,823,193.60x = 70,753,678,872,166,696
  5. Step 5: Solve for x
    x = 70,753,678,872,166,696/217,823,193.60
  6. Step 6: Final answer
    x = 324,821,602.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.