Home / 113,503,030.16-156,470,251.01-80,851,295.12

Finding the Fourth Proportional to 113,503,030.16, 156,470,251.01 and 80,851,295.12

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Solution

The fourth proportional to 113,503,030.16, 156,470,251.01 and 80,851,295.12 is: 111,458,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,503,030.16 : 156,470,251.01 = 80,851,295.12 : x
  2. Step 2: Convert to fraction form
    113,503,030.16/156,470,251.01 = 80,851,295.12/x
  3. Step 3: Cross multiply
    113,503,030.16x = 156,470,251.01 × 80,851,295.12
  4. Step 4: Simplify right side
    113,503,030.16x = 12,650,822,440,723,380
  5. Step 5: Solve for x
    x = 12,650,822,440,723,380/113,503,030.16
  6. Step 6: Final answer
    x = 111,458,015.03

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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.