Home / 137,801,529.60-206,702,294.40-86,783,193.60

Finding the Fourth Proportional to 137,801,529.60, 206,702,294.40 and 86,783,193.60

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Solution

The fourth proportional to 137,801,529.60, 206,702,294.40 and 86,783,193.60 is: 130,174,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,801,529.60 : 206,702,294.40 = 86,783,193.60 : x
  2. Step 2: Convert to fraction form
    137,801,529.60/206,702,294.40 = 86,783,193.60/x
  3. Step 3: Cross multiply
    137,801,529.60x = 206,702,294.40 × 86,783,193.60
  4. Step 4: Simplify right side
    137,801,529.60x = 17,938,285,232,479,396
  5. Step 5: Solve for x
    x = 17,938,285,232,479,396/137,801,529.60
  6. Step 6: Final answer
    x = 130,174,790.40

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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.