Home / 43,776,006.90-65,664,010.35-42,880,211.70

Finding the Fourth Proportional to 43,776,006.90, 65,664,010.35 and 42,880,211.70

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Solution

The fourth proportional to 43,776,006.90, 65,664,010.35 and 42,880,211.70 is: 64,320,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,776,006.90 : 65,664,010.35 = 42,880,211.70 : x
  2. Step 2: Convert to fraction form
    43,776,006.90/65,664,010.35 = 42,880,211.70/x
  3. Step 3: Cross multiply
    43,776,006.90x = 65,664,010.35 × 42,880,211.70
  4. Step 4: Simplify right side
    43,776,006.90x = 2,815,686,664,878,991.50
  5. Step 5: Solve for x
    x = 2,815,686,664,878,991.50/43,776,006.90
  6. Step 6: Final answer
    x = 64,320,317.55

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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.