Home / 217,618,666.30-326,427,999.45-74,011,498.30

Finding the Fourth Proportional to 217,618,666.30, 326,427,999.45 and 74,011,498.30

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Solution

The fourth proportional to 217,618,666.30, 326,427,999.45 and 74,011,498.30 is: 111,017,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,618,666.30 : 326,427,999.45 = 74,011,498.30 : x
  2. Step 2: Convert to fraction form
    217,618,666.30/326,427,999.45 = 74,011,498.30/x
  3. Step 3: Cross multiply
    217,618,666.30x = 326,427,999.45 × 74,011,498.30
  4. Step 4: Simplify right side
    217,618,666.30x = 24,159,425,326,366,076
  5. Step 5: Solve for x
    x = 24,159,425,326,366,076/217,618,666.30
  6. Step 6: Final answer
    x = 111,017,247.45

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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.