Home / 113,798,687.40-170,698,031.10-85,100,873.40

Finding the Fourth Proportional to 113,798,687.40, 170,698,031.10 and 85,100,873.40

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Solution

The fourth proportional to 113,798,687.40, 170,698,031.10 and 85,100,873.40 is: 127,651,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,798,687.40 : 170,698,031.10 = 85,100,873.40 : x
  2. Step 2: Convert to fraction form
    113,798,687.40/170,698,031.10 = 85,100,873.40/x
  3. Step 3: Cross multiply
    113,798,687.40x = 170,698,031.10 × 85,100,873.40
  4. Step 4: Simplify right side
    113,798,687.40x = 14,526,551,534,270,364
  5. Step 5: Solve for x
    x = 14,526,551,534,270,364/113,798,687.40
  6. Step 6: Final answer
    x = 127,651,310.10

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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.