Home / 85,590,205.55-118,104,519.07-47,915,432.51

Finding the Fourth Proportional to 85,590,205.55, 118,104,519.07 and 47,915,432.51

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Solution

The fourth proportional to 85,590,205.55, 118,104,519.07 and 47,915,432.51 is: 66,117,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,590,205.55 : 118,104,519.07 = 47,915,432.51 : x
  2. Step 2: Convert to fraction form
    85,590,205.55/118,104,519.07 = 47,915,432.51/x
  3. Step 3: Cross multiply
    85,590,205.55x = 118,104,519.07 × 47,915,432.51
  4. Step 4: Simplify right side
    85,590,205.55x = 5,659,029,112,385,015
  5. Step 5: Solve for x
    x = 5,659,029,112,385,015/85,590,205.55
  6. Step 6: Final answer
    x = 66,117,718.45

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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.