Home / 137,894,764.32-206,903,068.44-72,300,219.58

Finding the Fourth Proportional to 137,894,764.32, 206,903,068.44 and 72,300,219.58

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Solution

The fourth proportional to 137,894,764.32, 206,903,068.44 and 72,300,219.58 is: 108,482,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,894,764.32 : 206,903,068.44 = 72,300,219.58 : x
  2. Step 2: Convert to fraction form
    137,894,764.32/206,903,068.44 = 72,300,219.58/x
  3. Step 3: Cross multiply
    137,894,764.32x = 206,903,068.44 × 72,300,219.58
  4. Step 4: Simplify right side
    137,894,764.32x = 14,959,137,280,002,538
  5. Step 5: Solve for x
    x = 14,959,137,280,002,538/137,894,764.32
  6. Step 6: Final answer
    x = 108,482,271.63

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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.