Home / 209,953,812.70-314,930,719.05-133,048,395.10

Finding the Fourth Proportional to 209,953,812.70, 314,930,719.05 and 133,048,395.10

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Solution

The fourth proportional to 209,953,812.70, 314,930,719.05 and 133,048,395.10 is: 199,572,592.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,812.70 : 314,930,719.05 = 133,048,395.10 : x
  2. Step 2: Convert to fraction form
    209,953,812.70/314,930,719.05 = 133,048,395.10/x
  3. Step 3: Cross multiply
    209,953,812.70x = 314,930,719.05 × 133,048,395.10
  4. Step 4: Simplify right side
    209,953,812.70x = 41,901,026,737,291,496
  5. Step 5: Solve for x
    x = 41,901,026,737,291,496/209,953,812.70
  6. Step 6: Final answer
    x = 199,572,592.65

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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.