Home / 143,267,288.40-214,984,913.40-52,400,062.80

Finding the Fourth Proportional to 143,267,288.40, 214,984,913.40 and 52,400,062.80

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Solution

The fourth proportional to 143,267,288.40, 214,984,913.40 and 52,400,062.80 is: 78,630,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,267,288.40 : 214,984,913.40 = 52,400,062.80 : x
  2. Step 2: Convert to fraction form
    143,267,288.40/214,984,913.40 = 52,400,062.80/x
  3. Step 3: Cross multiply
    143,267,288.40x = 214,984,913.40 × 52,400,062.80
  4. Step 4: Simplify right side
    143,267,288.40x = 11,265,222,963,212,562
  5. Step 5: Solve for x
    x = 11,265,222,963,212,562/143,267,288.40
  6. Step 6: Final answer
    x = 78,630,810.21

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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.