Home / 113,420,164.80-170,130,247.20-52,842,014.40

Finding the Fourth Proportional to 113,420,164.80, 170,130,247.20 and 52,842,014.40

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Solution

The fourth proportional to 113,420,164.80, 170,130,247.20 and 52,842,014.40 is: 79,263,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,420,164.80 : 170,130,247.20 = 52,842,014.40 : x
  2. Step 2: Convert to fraction form
    113,420,164.80/170,130,247.20 = 52,842,014.40/x
  3. Step 3: Cross multiply
    113,420,164.80x = 170,130,247.20 × 52,842,014.40
  4. Step 4: Simplify right side
    113,420,164.80x = 8,990,024,972,417,959
  5. Step 5: Solve for x
    x = 8,990,024,972,417,959/113,420,164.80
  6. Step 6: Final answer
    x = 79,263,021.60

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1.5x scale

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.