Home / 150,532,964.62-207,718,642.49-83,554,746.16

Finding the Fourth Proportional to 150,532,964.62, 207,718,642.49 and 83,554,746.16

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Solution

The fourth proportional to 150,532,964.62, 207,718,642.49 and 83,554,746.16 is: 115,296,197.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,532,964.62 : 207,718,642.49 = 83,554,746.16 : x
  2. Step 2: Convert to fraction form
    150,532,964.62/207,718,642.49 = 83,554,746.16/x
  3. Step 3: Cross multiply
    150,532,964.62x = 207,718,642.49 × 83,554,746.16
  4. Step 4: Simplify right side
    150,532,964.62x = 17,355,878,445,141,320
  5. Step 5: Solve for x
    x = 17,355,878,445,141,320/150,532,964.62
  6. Step 6: Final answer
    x = 115,296,197.67

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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.