Home / 80,888,971.35-121,333,457.03-32,374,312.95

Finding the Fourth Proportional to 80,888,971.35, 121,333,457.03 and 32,374,312.95

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Solution

The fourth proportional to 80,888,971.35, 121,333,457.03 and 32,374,312.95 is: 48,561,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888,971.35 : 121,333,457.03 = 32,374,312.95 : x
  2. Step 2: Convert to fraction form
    80,888,971.35/121,333,457.03 = 32,374,312.95/x
  3. Step 3: Cross multiply
    80,888,971.35x = 121,333,457.03 × 32,374,312.95
  4. Step 4: Simplify right side
    80,888,971.35x = 3,928,087,309,032,726
  5. Step 5: Solve for x
    x = 3,928,087,309,032,726/80,888,971.35
  6. Step 6: Final answer
    x = 48,561,469.43

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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.