Home / 47,780,940.84-71,559,808.65-43,922,679.18

Finding the Fourth Proportional to 47,780,940.84, 71,559,808.65 and 43,922,679.18

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Solution

The fourth proportional to 47,780,940.84, 71,559,808.65 and 43,922,679.18 is: 65,781,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,940.84 : 71,559,808.65 = 43,922,679.18 : x
  2. Step 2: Convert to fraction form
    47,780,940.84/71,559,808.65 = 43,922,679.18/x
  3. Step 3: Cross multiply
    47,780,940.84x = 71,559,808.65 × 43,922,679.18
  4. Step 4: Simplify right side
    47,780,940.84x = 3,143,098,517,516,139
  5. Step 5: Solve for x
    x = 3,143,098,517,516,139/47,780,940.84
  6. Step 6: Final answer
    x = 65,781,427.96

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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.