Home / 103,432,206.40-155,148,309.60-35,277,121.60

Finding the Fourth Proportional to 103,432,206.40, 155,148,309.60 and 35,277,121.60

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Solution

The fourth proportional to 103,432,206.40, 155,148,309.60 and 35,277,121.60 is: 52,915,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,432,206.40 : 155,148,309.60 = 35,277,121.60 : x
  2. Step 2: Convert to fraction form
    103,432,206.40/155,148,309.60 = 35,277,121.60/x
  3. Step 3: Cross multiply
    103,432,206.40x = 155,148,309.60 × 35,277,121.60
  4. Step 4: Simplify right side
    103,432,206.40x = 5,473,185,783,793,647
  5. Step 5: Solve for x
    x = 5,473,185,783,793,647/103,432,206.40
  6. Step 6: Final answer
    x = 52,915,682.40

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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.