Home / 206,736,666.93-309,812,707.44-114,660,970.74

Finding the Fourth Proportional to 206,736,666.93, 309,812,707.44 and 114,660,970.74

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Solution

The fourth proportional to 206,736,666.93, 309,812,707.44 and 114,660,970.74 is: 171,829,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,736,666.93 : 309,812,707.44 = 114,660,970.74 : x
  2. Step 2: Convert to fraction form
    206,736,666.93/309,812,707.44 = 114,660,970.74/x
  3. Step 3: Cross multiply
    206,736,666.93x = 309,812,707.44 × 114,660,970.74
  4. Step 4: Simplify right side
    206,736,666.93x = 35,523,425,782,658,020
  5. Step 5: Solve for x
    x = 35,523,425,782,658,020/206,736,666.93
  6. Step 6: Final answer
    x = 171,829,343.63

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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.