Home / 146,707,401.60-220,061,102.40-70,179,897.60

Finding the Fourth Proportional to 146,707,401.60, 220,061,102.40 and 70,179,897.60

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Solution

The fourth proportional to 146,707,401.60, 220,061,102.40 and 70,179,897.60 is: 105,269,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,707,401.60 : 220,061,102.40 = 70,179,897.60 : x
  2. Step 2: Convert to fraction form
    146,707,401.60/220,061,102.40 = 70,179,897.60/x
  3. Step 3: Cross multiply
    146,707,401.60x = 220,061,102.40 × 70,179,897.60
  4. Step 4: Simplify right side
    146,707,401.60x = 15,443,865,632,175,114
  5. Step 5: Solve for x
    x = 15,443,865,632,175,114/146,707,401.60
  6. Step 6: Final answer
    x = 105,269,846.40

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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.