Home / 199,314,089.20-298,971,133.80-131,289,641.20

Finding the Fourth Proportional to 199,314,089.20, 298,971,133.80 and 131,289,641.20

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Solution

The fourth proportional to 199,314,089.20, 298,971,133.80 and 131,289,641.20 is: 196,934,461.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,314,089.20 : 298,971,133.80 = 131,289,641.20 : x
  2. Step 2: Convert to fraction form
    199,314,089.20/298,971,133.80 = 131,289,641.20/x
  3. Step 3: Cross multiply
    199,314,089.20x = 298,971,133.80 × 131,289,641.20
  4. Step 4: Simplify right side
    199,314,089.20x = 39,251,812,885,759,192
  5. Step 5: Solve for x
    x = 39,251,812,885,759,192/199,314,089.20
  6. Step 6: Final answer
    x = 196,934,461.80

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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.