Home / 103,352,523.66-142,629,050.97-63,645,023.61

Finding the Fourth Proportional to 103,352,523.66, 142,629,050.97 and 63,645,023.61

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Solution

The fourth proportional to 103,352,523.66, 142,629,050.97 and 63,645,023.61 is: 87,831,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,352,523.66 : 142,629,050.97 = 63,645,023.61 : x
  2. Step 2: Convert to fraction form
    103,352,523.66/142,629,050.97 = 63,645,023.61/x
  3. Step 3: Cross multiply
    103,352,523.66x = 142,629,050.97 × 63,645,023.61
  4. Step 4: Simplify right side
    103,352,523.66x = 9,077,629,316,457,544
  5. Step 5: Solve for x
    x = 9,077,629,316,457,544/103,352,523.66
  6. Step 6: Final answer
    x = 87,831,714.17

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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.