Home / 209,953,743.70-314,930,615.55-133,048,326.10

Finding the Fourth Proportional to 209,953,743.70, 314,930,615.55 and 133,048,326.10

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Solution

The fourth proportional to 209,953,743.70, 314,930,615.55 and 133,048,326.10 is: 199,572,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,743.70 : 314,930,615.55 = 133,048,326.10 : x
  2. Step 2: Convert to fraction form
    209,953,743.70/314,930,615.55 = 133,048,326.10/x
  3. Step 3: Cross multiply
    209,953,743.70x = 314,930,615.55 × 133,048,326.10
  4. Step 4: Simplify right side
    209,953,743.70x = 41,900,991,236,570,128
  5. Step 5: Solve for x
    x = 41,900,991,236,570,128/209,953,743.70
  6. Step 6: Final answer
    x = 199,572,489.15

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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.