Home / 113,603,122.20-170,404,683.30-99,573,079.80

Finding the Fourth Proportional to 113,603,122.20, 170,404,683.30 and 99,573,079.80

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Solution

The fourth proportional to 113,603,122.20, 170,404,683.30 and 99,573,079.80 is: 149,359,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,603,122.20 : 170,404,683.30 = 99,573,079.80 : x
  2. Step 2: Convert to fraction form
    113,603,122.20/170,404,683.30 = 99,573,079.80/x
  3. Step 3: Cross multiply
    113,603,122.20x = 170,404,683.30 × 99,573,079.80
  4. Step 4: Simplify right side
    113,603,122.20x = 16,967,719,128,524,628
  5. Step 5: Solve for x
    x = 16,967,719,128,524,628/113,603,122.20
  6. Step 6: Final answer
    x = 149,359,619.70

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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.