Home / 189,358,330.80-283,966,637.40-66,489,171.60

Finding the Fourth Proportional to 189,358,330.80, 283,966,637.40 and 66,489,171.60

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Solution

The fourth proportional to 189,358,330.80, 283,966,637.40 and 66,489,171.60 is: 99,708,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,358,330.80 : 283,966,637.40 = 66,489,171.60 : x
  2. Step 2: Convert to fraction form
    189,358,330.80/283,966,637.40 = 66,489,171.60/x
  3. Step 3: Cross multiply
    189,358,330.80x = 283,966,637.40 × 66,489,171.60
  4. Step 4: Simplify right side
    189,358,330.80x = 18,880,706,482,763,576
  5. Step 5: Solve for x
    x = 18,880,706,482,763,576/189,358,330.80
  6. Step 6: Final answer
    x = 99,708,876.83

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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.