Home / 125,813,640.40-188,720,460.60-40,713,096.40

Finding the Fourth Proportional to 125,813,640.40, 188,720,460.60 and 40,713,096.40

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Solution

The fourth proportional to 125,813,640.40, 188,720,460.60 and 40,713,096.40 is: 61,069,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,813,640.40 : 188,720,460.60 = 40,713,096.40 : x
  2. Step 2: Convert to fraction form
    125,813,640.40/188,720,460.60 = 40,713,096.40/x
  3. Step 3: Cross multiply
    125,813,640.40x = 188,720,460.60 × 40,713,096.40
  4. Step 4: Simplify right side
    125,813,640.40x = 7,683,394,305,060,201
  5. Step 5: Solve for x
    x = 7,683,394,305,060,201/125,813,640.40
  6. Step 6: Final answer
    x = 61,069,644.60

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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.