Home / 104,430,531.15-156,628,422.41-31,630,003.20

Finding the Fourth Proportional to 104,430,531.15, 156,628,422.41 and 31,630,003.20

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Solution

The fourth proportional to 104,430,531.15, 156,628,422.41 and 31,630,003.20 is: 47,439,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,430,531.15 : 156,628,422.41 = 31,630,003.20 : x
  2. Step 2: Convert to fraction form
    104,430,531.15/156,628,422.41 = 31,630,003.20/x
  3. Step 3: Cross multiply
    104,430,531.15x = 156,628,422.41 × 31,630,003.20
  4. Step 4: Simplify right side
    104,430,531.15x = 4,954,157,501,881,102
  5. Step 5: Solve for x
    x = 4,954,157,501,881,102/104,430,531.15
  6. Step 6: Final answer
    x = 47,439,742.45

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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.