Home / 93,920,015.43-140,881,107.78-28,341,721.35

Finding the Fourth Proportional to 93,920,015.43, 140,881,107.78 and 28,341,721.35

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Solution

The fourth proportional to 93,920,015.43, 140,881,107.78 and 28,341,721.35 is: 42,512,909.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,920,015.43 : 140,881,107.78 = 28,341,721.35 : x
  2. Step 2: Convert to fraction form
    93,920,015.43/140,881,107.78 = 28,341,721.35/x
  3. Step 3: Cross multiply
    93,920,015.43x = 140,881,107.78 × 28,341,721.35
  4. Step 4: Simplify right side
    93,920,015.43x = 3,992,813,100,180,077.50
  5. Step 5: Solve for x
    x = 3,992,813,100,180,077.50/93,920,015.43
  6. Step 6: Final answer
    x = 42,512,909.33

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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.