Home / 82,717,506.60-124,076,259.90-39,670,785.60

Finding the Fourth Proportional to 82,717,506.60, 124,076,259.90 and 39,670,785.60

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Solution

The fourth proportional to 82,717,506.60, 124,076,259.90 and 39,670,785.60 is: 59,506,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717,506.60 : 124,076,259.90 = 39,670,785.60 : x
  2. Step 2: Convert to fraction form
    82,717,506.60/124,076,259.90 = 39,670,785.60/x
  3. Step 3: Cross multiply
    82,717,506.60x = 124,076,259.90 × 39,670,785.60
  4. Step 4: Simplify right side
    82,717,506.60x = 4,922,202,704,542,778
  5. Step 5: Solve for x
    x = 4,922,202,704,542,778/82,717,506.60
  6. Step 6: Final answer
    x = 59,506,178.40

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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.