Home / 99,819,601.29-149,706,766.38-45,196,127.01

Finding the Fourth Proportional to 99,819,601.29, 149,706,766.38 and 45,196,127.01

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Solution

The fourth proportional to 99,819,601.29, 149,706,766.38 and 45,196,127.01 is: 67,783,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,819,601.29 : 149,706,766.38 = 45,196,127.01 : x
  2. Step 2: Convert to fraction form
    99,819,601.29/149,706,766.38 = 45,196,127.01/x
  3. Step 3: Cross multiply
    99,819,601.29x = 149,706,766.38 × 45,196,127.01
  4. Step 4: Simplify right side
    99,819,601.29x = 6,766,166,027,566,877
  5. Step 5: Solve for x
    x = 6,766,166,027,566,877/99,819,601.29
  6. Step 6: Final answer
    x = 67,783,941.63

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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.