Home / 217,538,989.32-326,090,302.20-101,036,162.40

Finding the Fourth Proportional to 217,538,989.32, 326,090,302.20 and 101,036,162.40

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Solution

The fourth proportional to 217,538,989.32, 326,090,302.20 and 101,036,162.40 is: 151,452,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,538,989.32 : 326,090,302.20 = 101,036,162.40 : x
  2. Step 2: Convert to fraction form
    217,538,989.32/326,090,302.20 = 101,036,162.40/x
  3. Step 3: Cross multiply
    217,538,989.32x = 326,090,302.20 × 101,036,162.40
  4. Step 4: Simplify right side
    217,538,989.32x = 32,946,912,730,144,280
  5. Step 5: Solve for x
    x = 32,946,912,730,144,280/217,538,989.32
  6. Step 6: Final answer
    x = 151,452,908.89

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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.