Home / 193,547,847.20-290,321,770.80-129,050,592.80

Finding the Fourth Proportional to 193,547,847.20, 290,321,770.80 and 129,050,592.80

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Solution

The fourth proportional to 193,547,847.20, 290,321,770.80 and 129,050,592.80 is: 193,575,889.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547,847.20 : 290,321,770.80 = 129,050,592.80 : x
  2. Step 2: Convert to fraction form
    193,547,847.20/290,321,770.80 = 129,050,592.80/x
  3. Step 3: Cross multiply
    193,547,847.20x = 290,321,770.80 × 129,050,592.80
  4. Step 4: Simplify right side
    193,547,847.20x = 37,466,196,624,485,728
  5. Step 5: Solve for x
    x = 37,466,196,624,485,728/193,547,847.20
  6. Step 6: Final answer
    x = 193,575,889.20

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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.