Home / 30,908,451.19-42,651,528.99-17,156,332.75

Finding the Fourth Proportional to 30,908,451.19, 42,651,528.99 and 17,156,332.75

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Solution

The fourth proportional to 30,908,451.19, 42,651,528.99 and 17,156,332.75 is: 23,674,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908,451.19 : 42,651,528.99 = 17,156,332.75 : x
  2. Step 2: Convert to fraction form
    30,908,451.19/42,651,528.99 = 17,156,332.75/x
  3. Step 3: Cross multiply
    30,908,451.19x = 42,651,528.99 × 17,156,332.75
  4. Step 4: Simplify right side
    30,908,451.19x = 731,743,823,648,711.50
  5. Step 5: Solve for x
    x = 731,743,823,648,711.50/30,908,451.19
  6. Step 6: Final answer
    x = 23,674,554.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.