Home / 82,717,515.10-124,076,272.65-39,670,794.10

Finding the Fourth Proportional to 82,717,515.10, 124,076,272.65 and 39,670,794.10

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Solution

The fourth proportional to 82,717,515.10, 124,076,272.65 and 39,670,794.10 is: 59,506,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717,515.10 : 124,076,272.65 = 39,670,794.10 : x
  2. Step 2: Convert to fraction form
    82,717,515.10/124,076,272.65 = 39,670,794.10/x
  3. Step 3: Cross multiply
    82,717,515.10x = 124,076,272.65 × 39,670,794.10
  4. Step 4: Simplify right side
    82,717,515.10x = 4,922,204,264,993,612
  5. Step 5: Solve for x
    x = 4,922,204,264,993,612/82,717,515.10
  6. Step 6: Final answer
    x = 59,506,191.15

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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.