Home / 124,982,079.47-187,482,099.60-43,099,779.81

Finding the Fourth Proportional to 124,982,079.47, 187,482,099.60 and 43,099,779.81

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Solution

The fourth proportional to 124,982,079.47, 187,482,099.60 and 43,099,779.81 is: 64,652,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,982,079.47 : 187,482,099.60 = 43,099,779.81 : x
  2. Step 2: Convert to fraction form
    124,982,079.47/187,482,099.60 = 43,099,779.81/x
  3. Step 3: Cross multiply
    124,982,079.47x = 187,482,099.60 × 43,099,779.81
  4. Step 4: Simplify right side
    124,982,079.47x = 8,080,437,211,076,489
  5. Step 5: Solve for x
    x = 8,080,437,211,076,489/124,982,079.47
  6. Step 6: Final answer
    x = 64,652,766.58

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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.