Home / 113,570,412.80-170,355,619.20-70,572,243.20

Finding the Fourth Proportional to 113,570,412.80, 170,355,619.20 and 70,572,243.20

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Solution

The fourth proportional to 113,570,412.80, 170,355,619.20 and 70,572,243.20 is: 105,858,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,570,412.80 : 170,355,619.20 = 70,572,243.20 : x
  2. Step 2: Convert to fraction form
    113,570,412.80/170,355,619.20 = 70,572,243.20/x
  3. Step 3: Cross multiply
    113,570,412.80x = 170,355,619.20 × 70,572,243.20
  4. Step 4: Simplify right side
    113,570,412.80x = 12,022,378,188,668,990
  5. Step 5: Solve for x
    x = 12,022,378,188,668,990/113,570,412.80
  6. Step 6: Final answer
    x = 105,858,364.80

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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.