Home / 199,323,101.40-298,984,652.10-190,713,757.20

Finding the Fourth Proportional to 199,323,101.40, 298,984,652.10 and 190,713,757.20

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Solution

The fourth proportional to 199,323,101.40, 298,984,652.10 and 190,713,757.20 is: 286,070,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323,101.40 : 298,984,652.10 = 190,713,757.20 : x
  2. Step 2: Convert to fraction form
    199,323,101.40/298,984,652.10 = 190,713,757.20/x
  3. Step 3: Cross multiply
    199,323,101.40x = 298,984,652.10 × 190,713,757.20
  4. Step 4: Simplify right side
    199,323,101.40x = 57,020,486,347,125,872
  5. Step 5: Solve for x
    x = 57,020,486,347,125,872/199,323,101.40
  6. Step 6: Final answer
    x = 286,070,635.80

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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.