Home / 109,582,429.68-151,150,920.48-70,473,679.20

Finding the Fourth Proportional to 109,582,429.68, 151,150,920.48 and 70,473,679.20

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Solution

The fourth proportional to 109,582,429.68, 151,150,920.48 and 70,473,679.20 is: 97,206,837.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,582,429.68 : 151,150,920.48 = 70,473,679.20 : x
  2. Step 2: Convert to fraction form
    109,582,429.68/151,150,920.48 = 70,473,679.20/x
  3. Step 3: Cross multiply
    109,582,429.68x = 151,150,920.48 × 70,473,679.20
  4. Step 4: Simplify right side
    109,582,429.68x = 10,652,161,480,692,230
  5. Step 5: Solve for x
    x = 10,652,161,480,692,230/109,582,429.68
  6. Step 6: Final answer
    x = 97,206,837.92

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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.