Home / 130,397,301.60-195,372,003.60-68,895,362.40

Finding the Fourth Proportional to 130,397,301.60, 195,372,003.60 and 68,895,362.40

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Solution

The fourth proportional to 130,397,301.60, 195,372,003.60 and 68,895,362.40 is: 103,224,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,397,301.60 : 195,372,003.60 = 68,895,362.40 : x
  2. Step 2: Convert to fraction form
    130,397,301.60/195,372,003.60 = 68,895,362.40/x
  3. Step 3: Cross multiply
    130,397,301.60x = 195,372,003.60 × 68,895,362.40
  4. Step 4: Simplify right side
    130,397,301.60x = 13,460,224,990,836,106
  5. Step 5: Solve for x
    x = 13,460,224,990,836,106/130,397,301.60
  6. Step 6: Final answer
    x = 103,224,720.34

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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.