Home / 43,725,056.80-65,589,140.40-13,432,871.20

Finding the Fourth Proportional to 43,725,056.80, 65,589,140.40 and 13,432,871.20

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Solution

The fourth proportional to 43,725,056.80, 65,589,140.40 and 13,432,871.20 is: 20,149,784.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,725,056.80 : 65,589,140.40 = 13,432,871.20 : x
  2. Step 2: Convert to fraction form
    43,725,056.80/65,589,140.40 = 13,432,871.20/x
  3. Step 3: Cross multiply
    43,725,056.80x = 65,589,140.40 × 13,432,871.20
  4. Step 4: Simplify right side
    43,725,056.80x = 881,050,475,111,916.38
  5. Step 5: Solve for x
    x = 881,050,475,111,916.38/43,725,056.80
  6. Step 6: Final answer
    x = 20,149,784.58

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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.