Home / 71,669,063.45-98,676,784.58-65,123,149.65

Finding the Fourth Proportional to 71,669,063.45, 98,676,784.58 and 65,123,149.65

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Solution

The fourth proportional to 71,669,063.45, 98,676,784.58 and 65,123,149.65 is: 89,664,113.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,669,063.45 : 98,676,784.58 = 65,123,149.65 : x
  2. Step 2: Convert to fraction form
    71,669,063.45/98,676,784.58 = 65,123,149.65/x
  3. Step 3: Cross multiply
    71,669,063.45x = 98,676,784.58 × 65,123,149.65
  4. Step 4: Simplify right side
    71,669,063.45x = 6,426,143,009,593,064
  5. Step 5: Solve for x
    x = 6,426,143,009,593,064/71,669,063.45
  6. Step 6: Final answer
    x = 89,664,113.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.