Home / 85,938,479.69-118,597,963.08-48,268,271.59

Finding the Fourth Proportional to 85,938,479.69, 118,597,963.08 and 48,268,271.59

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Solution

The fourth proportional to 85,938,479.69, 118,597,963.08 and 48,268,271.59 is: 66,611,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,938,479.69 : 118,597,963.08 = 48,268,271.59 : x
  2. Step 2: Convert to fraction form
    85,938,479.69/118,597,963.08 = 48,268,271.59/x
  3. Step 3: Cross multiply
    85,938,479.69x = 118,597,963.08 × 48,268,271.59
  4. Step 4: Simplify right side
    85,938,479.69x = 5,724,518,691,850,744
  5. Step 5: Solve for x
    x = 5,724,518,691,850,744/85,938,479.69
  6. Step 6: Final answer
    x = 66,611,821.77

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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.