Home / 198,301,513.80-297,452,270.70-194,900,291.40

Finding the Fourth Proportional to 198,301,513.80, 297,452,270.70 and 194,900,291.40

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Solution

The fourth proportional to 198,301,513.80, 297,452,270.70 and 194,900,291.40 is: 292,350,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,301,513.80 : 297,452,270.70 = 194,900,291.40 : x
  2. Step 2: Convert to fraction form
    198,301,513.80/297,452,270.70 = 194,900,291.40/x
  3. Step 3: Cross multiply
    198,301,513.80x = 297,452,270.70 × 194,900,291.40
  4. Step 4: Simplify right side
    198,301,513.80x = 57,973,534,237,021,680
  5. Step 5: Solve for x
    x = 57,973,534,237,021,680/198,301,513.80
  6. Step 6: Final answer
    x = 292,350,437.10

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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.