Home / 137,796,368.20-206,694,552.30-129,293,312.20

Finding the Fourth Proportional to 137,796,368.20, 206,694,552.30 and 129,293,312.20

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Solution

The fourth proportional to 137,796,368.20, 206,694,552.30 and 129,293,312.20 is: 193,939,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,796,368.20 : 206,694,552.30 = 129,293,312.20 : x
  2. Step 2: Convert to fraction form
    137,796,368.20/206,694,552.30 = 129,293,312.20/x
  3. Step 3: Cross multiply
    137,796,368.20x = 206,694,552.30 × 129,293,312.20
  4. Step 4: Simplify right side
    137,796,368.20x = 26,724,223,280,563,132
  5. Step 5: Solve for x
    x = 26,724,223,280,563,132/137,796,368.20
  6. Step 6: Final answer
    x = 193,939,968.30

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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.