Home / 99,696,922.80-149,545,384.20-65,656,705.20

Finding the Fourth Proportional to 99,696,922.80, 149,545,384.20 and 65,656,705.20

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Solution

The fourth proportional to 99,696,922.80, 149,545,384.20 and 65,656,705.20 is: 98,485,057.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,922.80 : 149,545,384.20 = 65,656,705.20 : x
  2. Step 2: Convert to fraction form
    99,696,922.80/149,545,384.20 = 65,656,705.20/x
  3. Step 3: Cross multiply
    99,696,922.80x = 149,545,384.20 × 65,656,705.20
  4. Step 4: Simplify right side
    99,696,922.80x = 9,818,657,204,440,138
  5. Step 5: Solve for x
    x = 9,818,657,204,440,138/99,696,922.80
  6. Step 6: Final answer
    x = 98,485,057.80

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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.