Home / 70,385,903.12-105,441,392.27-33,445,237.52

Finding the Fourth Proportional to 70,385,903.12, 105,441,392.27 and 33,445,237.52

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Solution

The fourth proportional to 70,385,903.12, 105,441,392.27 and 33,445,237.52 is: 50,102,538.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385,903.12 : 105,441,392.27 = 33,445,237.52 : x
  2. Step 2: Convert to fraction form
    70,385,903.12/105,441,392.27 = 33,445,237.52/x
  3. Step 3: Cross multiply
    70,385,903.12x = 105,441,392.27 × 33,445,237.52
  4. Step 4: Simplify right side
    70,385,903.12x = 3,526,512,408,215,209
  5. Step 5: Solve for x
    x = 3,526,512,408,215,209/70,385,903.12
  6. Step 6: Final answer
    x = 50,102,538.32

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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.