Home / 288,628,343.25-433,014,702.09-84,156,418.50

Finding the Fourth Proportional to 288,628,343.25, 433,014,702.09 and 84,156,418.50

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Solution

The fourth proportional to 288,628,343.25, 433,014,702.09 and 84,156,418.50 is: 126,255,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,628,343.25 : 433,014,702.09 = 84,156,418.50 : x
  2. Step 2: Convert to fraction form
    288,628,343.25/433,014,702.09 = 84,156,418.50/x
  3. Step 3: Cross multiply
    288,628,343.25x = 433,014,702.09 × 84,156,418.50
  4. Step 4: Simplify right side
    288,628,343.25x = 36,440,966,485,738,864
  5. Step 5: Solve for x
    x = 36,440,966,485,738,864/288,628,343.25
  6. Step 6: Final answer
    x = 126,255,675.64

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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.