Home / 133,748,438.20-200,622,657.30-42,881,212.60

Finding the Fourth Proportional to 133,748,438.20, 200,622,657.30 and 42,881,212.60

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Solution

The fourth proportional to 133,748,438.20, 200,622,657.30 and 42,881,212.60 is: 64,321,818.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,748,438.20 : 200,622,657.30 = 42,881,212.60 : x
  2. Step 2: Convert to fraction form
    133,748,438.20/200,622,657.30 = 42,881,212.60/x
  3. Step 3: Cross multiply
    133,748,438.20x = 200,622,657.30 × 42,881,212.60
  4. Step 4: Simplify right side
    133,748,438.20x = 8,602,942,820,058,243
  5. Step 5: Solve for x
    x = 8,602,942,820,058,243/133,748,438.20
  6. Step 6: Final answer
    x = 64,321,818.90

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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.