Home / 199,287,348.30-298,931,022.45-70,040,897.10

Finding the Fourth Proportional to 199,287,348.30, 298,931,022.45 and 70,040,897.10

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Solution

The fourth proportional to 199,287,348.30, 298,931,022.45 and 70,040,897.10 is: 105,061,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,287,348.30 : 298,931,022.45 = 70,040,897.10 : x
  2. Step 2: Convert to fraction form
    199,287,348.30/298,931,022.45 = 70,040,897.10/x
  3. Step 3: Cross multiply
    199,287,348.30x = 298,931,022.45 × 70,040,897.10
  4. Step 4: Simplify right side
    199,287,348.30x = 20,937,396,983,418,236
  5. Step 5: Solve for x
    x = 20,937,396,983,418,236/199,287,348.30
  6. Step 6: Final answer
    x = 105,061,345.65

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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.