Home / 71,636,406.30-98,858,573.55-40,698,272.70

Finding the Fourth Proportional to 71,636,406.30, 98,858,573.55 and 40,698,272.70

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Solution

The fourth proportional to 71,636,406.30, 98,858,573.55 and 40,698,272.70 is: 56,163,805.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636,406.30 : 98,858,573.55 = 40,698,272.70 : x
  2. Step 2: Convert to fraction form
    71,636,406.30/98,858,573.55 = 40,698,272.70/x
  3. Step 3: Cross multiply
    71,636,406.30x = 98,858,573.55 × 40,698,272.70
  4. Step 4: Simplify right side
    71,636,406.30x = 4,023,373,185,070,907.50
  5. Step 5: Solve for x
    x = 4,023,373,185,070,907.50/71,636,406.30
  6. Step 6: Final answer
    x = 56,163,805.43

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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.