Home / 140,989,551.71-211,398,096.56-67,235,889.47

Finding the Fourth Proportional to 140,989,551.71, 211,398,096.56 and 67,235,889.47

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Solution

The fourth proportional to 140,989,551.71, 211,398,096.56 and 67,235,889.47 is: 100,812,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,989,551.71 : 211,398,096.56 = 67,235,889.47 : x
  2. Step 2: Convert to fraction form
    140,989,551.71/211,398,096.56 = 67,235,889.47/x
  3. Step 3: Cross multiply
    140,989,551.71x = 211,398,096.56 × 67,235,889.47
  4. Step 4: Simplify right side
    140,989,551.71x = 14,213,539,055,173,132
  5. Step 5: Solve for x
    x = 14,213,539,055,173,132/140,989,551.71
  6. Step 6: Final answer
    x = 100,812,711.89

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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.