Home / 217,280,148.30-325,920,222.45-102,488,892.30

Finding the Fourth Proportional to 217,280,148.30, 325,920,222.45 and 102,488,892.30

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Solution

The fourth proportional to 217,280,148.30, 325,920,222.45 and 102,488,892.30 is: 153,733,338.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,280,148.30 : 325,920,222.45 = 102,488,892.30 : x
  2. Step 2: Convert to fraction form
    217,280,148.30/325,920,222.45 = 102,488,892.30/x
  3. Step 3: Cross multiply
    217,280,148.30x = 325,920,222.45 × 102,488,892.30
  4. Step 4: Simplify right side
    217,280,148.30x = 33,403,202,577,070,088
  5. Step 5: Solve for x
    x = 33,403,202,577,070,088/217,280,148.30
  6. Step 6: Final answer
    x = 153,733,338.45

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Similar ratio
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1.5x scale

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.