Home / 130,401,285.20-195,601,927.80-69,935,109.20

Finding the Fourth Proportional to 130,401,285.20, 195,601,927.80 and 69,935,109.20

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Solution

The fourth proportional to 130,401,285.20, 195,601,927.80 and 69,935,109.20 is: 104,902,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401,285.20 : 195,601,927.80 = 69,935,109.20 : x
  2. Step 2: Convert to fraction form
    130,401,285.20/195,601,927.80 = 69,935,109.20/x
  3. Step 3: Cross multiply
    130,401,285.20x = 195,601,927.80 × 69,935,109.20
  4. Step 4: Simplify right side
    130,401,285.20x = 13,679,442,180,423,518
  5. Step 5: Solve for x
    x = 13,679,442,180,423,518/130,401,285.20
  6. Step 6: Final answer
    x = 104,902,663.80

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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.