Home / 109,582,430.68-151,150,921.86-70,473,680.20

Finding the Fourth Proportional to 109,582,430.68, 151,150,921.86 and 70,473,680.20

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Solution

The fourth proportional to 109,582,430.68, 151,150,921.86 and 70,473,680.20 is: 97,206,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,582,430.68 : 151,150,921.86 = 70,473,680.20 : x
  2. Step 2: Convert to fraction form
    109,582,430.68/151,150,921.86 = 70,473,680.20/x
  3. Step 3: Cross multiply
    109,582,430.68x = 151,150,921.86 × 70,473,680.20
  4. Step 4: Simplify right side
    109,582,430.68x = 10,652,161,729,096,830
  5. Step 5: Solve for x
    x = 10,652,161,729,096,830/109,582,430.68
  6. Step 6: Final answer
    x = 97,206,839.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.