Home / 104,980,772.60-157,471,158.90-66,528,063.80

Finding the Fourth Proportional to 104,980,772.60, 157,471,158.90 and 66,528,063.80

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Solution

The fourth proportional to 104,980,772.60, 157,471,158.90 and 66,528,063.80 is: 99,792,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,980,772.60 : 157,471,158.90 = 66,528,063.80 : x
  2. Step 2: Convert to fraction form
    104,980,772.60/157,471,158.90 = 66,528,063.80/x
  3. Step 3: Cross multiply
    104,980,772.60x = 157,471,158.90 × 66,528,063.80
  4. Step 4: Simplify right side
    104,980,772.60x = 10,476,251,305,959,138
  5. Step 5: Solve for x
    x = 10,476,251,305,959,138/104,980,772.60
  6. Step 6: Final answer
    x = 99,792,095.70

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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.