Home / 82,824,248.80-114,406,629.86-61,879,880.15

Finding the Fourth Proportional to 82,824,248.80, 114,406,629.86 and 61,879,880.15

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Solution

The fourth proportional to 82,824,248.80, 114,406,629.86 and 61,879,880.15 is: 85,475,795.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,824,248.80 : 114,406,629.86 = 61,879,880.15 : x
  2. Step 2: Convert to fraction form
    82,824,248.80/114,406,629.86 = 61,879,880.15/x
  3. Step 3: Cross multiply
    82,824,248.80x = 114,406,629.86 × 61,879,880.15
  4. Step 4: Simplify right side
    82,824,248.80x = 7,079,468,543,220,779
  5. Step 5: Solve for x
    x = 7,079,468,543,220,779/82,824,248.80
  6. Step 6: Final answer
    x = 85,475,795.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.