Home / 130,315,570.20-195,470,366.40-65,601,997.20

Finding the Fourth Proportional to 130,315,570.20, 195,470,366.40 and 65,601,997.20

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Solution

The fourth proportional to 130,315,570.20, 195,470,366.40 and 65,601,997.20 is: 98,401,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,315,570.20 : 195,470,366.40 = 65,601,997.20 : x
  2. Step 2: Convert to fraction form
    130,315,570.20/195,470,366.40 = 65,601,997.20/x
  3. Step 3: Cross multiply
    130,315,570.20x = 195,470,366.40 × 65,601,997.20
  4. Step 4: Simplify right side
    130,315,570.20x = 12,823,246,429,255,776
  5. Step 5: Solve for x
    x = 12,823,246,429,255,776/130,315,570.20
  6. Step 6: Final answer
    x = 98,401,491.16

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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.