Home / 209,953,812.95-314,930,719.43-133,048,395.35

Finding the Fourth Proportional to 209,953,812.95, 314,930,719.43 and 133,048,395.35

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Solution

The fourth proportional to 209,953,812.95, 314,930,719.43 and 133,048,395.35 is: 199,572,593.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,812.95 : 314,930,719.43 = 133,048,395.35 : x
  2. Step 2: Convert to fraction form
    209,953,812.95/314,930,719.43 = 133,048,395.35/x
  3. Step 3: Cross multiply
    209,953,812.95x = 314,930,719.43 × 133,048,395.35
  4. Step 4: Simplify right side
    209,953,812.95x = 41,901,026,866,582,568
  5. Step 5: Solve for x
    x = 41,901,026,866,582,568/209,953,812.95
  6. Step 6: Final answer
    x = 199,572,593.03

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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.