Home / 113,798,722.40-170,698,083.60-85,100,908.40

Finding the Fourth Proportional to 113,798,722.40, 170,698,083.60 and 85,100,908.40

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Solution

The fourth proportional to 113,798,722.40, 170,698,083.60 and 85,100,908.40 is: 127,651,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798,722.40 : 170,698,083.60 = 85,100,908.40 : x
  2. Step 2: Convert to fraction form
    113,798,722.40/170,698,083.60 = 85,100,908.40/x
  3. Step 3: Cross multiply
    113,798,722.40x = 170,698,083.60 × 85,100,908.40
  4. Step 4: Simplify right side
    113,798,722.40x = 14,526,561,976,499,142
  5. Step 5: Solve for x
    x = 14,526,561,976,499,142/113,798,722.40
  6. Step 6: Final answer
    x = 127,651,362.60

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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.