Home / 105,893,644.60-158,672,505.30-69,949,862.20

Finding the Fourth Proportional to 105,893,644.60, 158,672,505.30 and 69,949,862.20

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Solution

The fourth proportional to 105,893,644.60, 158,672,505.30 and 69,949,862.20 is: 104,813,843.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,893,644.60 : 158,672,505.30 = 69,949,862.20 : x
  2. Step 2: Convert to fraction form
    105,893,644.60/158,672,505.30 = 69,949,862.20/x
  3. Step 3: Cross multiply
    105,893,644.60x = 158,672,505.30 × 69,949,862.20
  4. Step 4: Simplify right side
    105,893,644.60x = 11,099,119,880,663,770
  5. Step 5: Solve for x
    x = 11,099,119,880,663,770/105,893,644.60
  6. Step 6: Final answer
    x = 104,813,843.39

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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.