Home / 116,771,660.44-161,142,916.20-83,342,692.96

Finding the Fourth Proportional to 116,771,660.44, 161,142,916.20 and 83,342,692.96

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Solution

The fourth proportional to 116,771,660.44, 161,142,916.20 and 83,342,692.96 is: 115,011,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,771,660.44 : 161,142,916.20 = 83,342,692.96 : x
  2. Step 2: Convert to fraction form
    116,771,660.44/161,142,916.20 = 83,342,692.96/x
  3. Step 3: Cross multiply
    116,771,660.44x = 161,142,916.20 × 83,342,692.96
  4. Step 4: Simplify right side
    116,771,660.44x = 13,430,084,587,535,608
  5. Step 5: Solve for x
    x = 13,430,084,587,535,608/116,771,660.44
  6. Step 6: Final answer
    x = 115,011,506.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.