Home / 209,953,504.40-314,930,256.60-194,648,003.60

Finding the Fourth Proportional to 209,953,504.40, 314,930,256.60 and 194,648,003.60

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Solution

The fourth proportional to 209,953,504.40, 314,930,256.60 and 194,648,003.60 is: 291,972,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,504.40 : 314,930,256.60 = 194,648,003.60 : x
  2. Step 2: Convert to fraction form
    209,953,504.40/314,930,256.60 = 194,648,003.60/x
  3. Step 3: Cross multiply
    209,953,504.40x = 314,930,256.60 × 194,648,003.60
  4. Step 4: Simplify right side
    209,953,504.40x = 61,300,545,720,425,728
  5. Step 5: Solve for x
    x = 61,300,545,720,425,728/209,953,504.40
  6. Step 6: Final answer
    x = 291,972,005.40

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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.