Home / 72,813,835.60-109,220,753.40-44,241,701.20

Finding the Fourth Proportional to 72,813,835.60, 109,220,753.40 and 44,241,701.20

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Solution

The fourth proportional to 72,813,835.60, 109,220,753.40 and 44,241,701.20 is: 66,362,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,813,835.60 : 109,220,753.40 = 44,241,701.20 : x
  2. Step 2: Convert to fraction form
    72,813,835.60/109,220,753.40 = 44,241,701.20/x
  3. Step 3: Cross multiply
    72,813,835.60x = 109,220,753.40 × 44,241,701.20
  4. Step 4: Simplify right side
    72,813,835.60x = 4,832,111,936,761,685
  5. Step 5: Solve for x
    x = 4,832,111,936,761,685/72,813,835.60
  6. Step 6: Final answer
    x = 66,362,551.80

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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.