Home / 209,953,827.70-314,930,741.55-133,048,410.10

Finding the Fourth Proportional to 209,953,827.70, 314,930,741.55 and 133,048,410.10

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Solution

The fourth proportional to 209,953,827.70, 314,930,741.55 and 133,048,410.10 is: 199,572,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,827.70 : 314,930,741.55 = 133,048,410.10 : x
  2. Step 2: Convert to fraction form
    209,953,827.70/314,930,741.55 = 133,048,410.10/x
  3. Step 3: Cross multiply
    209,953,827.70x = 314,930,741.55 × 133,048,410.10
  4. Step 4: Simplify right side
    209,953,827.70x = 41,901,034,454,841,512
  5. Step 5: Solve for x
    x = 41,901,034,454,841,512/209,953,827.70
  6. Step 6: Final answer
    x = 199,572,615.15

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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.