Home / 126,798,231.20-190,197,346.80-46,008,701.60

Finding the Fourth Proportional to 126,798,231.20, 190,197,346.80 and 46,008,701.60

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Solution

The fourth proportional to 126,798,231.20, 190,197,346.80 and 46,008,701.60 is: 69,013,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,798,231.20 : 190,197,346.80 = 46,008,701.60 : x
  2. Step 2: Convert to fraction form
    126,798,231.20/190,197,346.80 = 46,008,701.60/x
  3. Step 3: Cross multiply
    126,798,231.20x = 190,197,346.80 × 46,008,701.60
  4. Step 4: Simplify right side
    126,798,231.20x = 8,750,732,974,032,916
  5. Step 5: Solve for x
    x = 8,750,732,974,032,916/126,798,231.20
  6. Step 6: Final answer
    x = 69,013,052.40

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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.