Home / 103,630,548.60-155,445,822.90-31,817,633.40

Finding the Fourth Proportional to 103,630,548.60, 155,445,822.90 and 31,817,633.40

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Solution

The fourth proportional to 103,630,548.60, 155,445,822.90 and 31,817,633.40 is: 47,726,450.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630,548.60 : 155,445,822.90 = 31,817,633.40 : x
  2. Step 2: Convert to fraction form
    103,630,548.60/155,445,822.90 = 31,817,633.40/x
  3. Step 3: Cross multiply
    103,630,548.60x = 155,445,822.90 × 31,817,633.40
  4. Step 4: Simplify right side
    103,630,548.60x = 4,945,918,206,593,525
  5. Step 5: Solve for x
    x = 4,945,918,206,593,525/103,630,548.60
  6. Step 6: Final answer
    x = 47,726,450.10

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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.