Home / 209,952,847.60-314,929,271.40-193,324,649.20

Finding the Fourth Proportional to 209,952,847.60, 314,929,271.40 and 193,324,649.20

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Solution

The fourth proportional to 209,952,847.60, 314,929,271.40 and 193,324,649.20 is: 289,986,973.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,847.60 : 314,929,271.40 = 193,324,649.20 : x
  2. Step 2: Convert to fraction form
    209,952,847.60/314,929,271.40 = 193,324,649.20/x
  3. Step 3: Cross multiply
    209,952,847.60x = 314,929,271.40 × 193,324,649.20
  4. Step 4: Simplify right side
    209,952,847.60x = 60,883,590,916,216,584
  5. Step 5: Solve for x
    x = 60,883,590,916,216,584/209,952,847.60
  6. Step 6: Final answer
    x = 289,986,973.80

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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.