Home / 174,681,014.20-262,115,999.70-72,455,385.40

Finding the Fourth Proportional to 174,681,014.20, 262,115,999.70 and 72,455,385.40

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Solution

The fourth proportional to 174,681,014.20, 262,115,999.70 and 72,455,385.40 is: 108,722,266.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,681,014.20 : 262,115,999.70 = 72,455,385.40 : x
  2. Step 2: Convert to fraction form
    174,681,014.20/262,115,999.70 = 72,455,385.40/x
  3. Step 3: Cross multiply
    174,681,014.20x = 262,115,999.70 × 72,455,385.40
  4. Step 4: Simplify right side
    174,681,014.20x = 18,991,715,777,769,784
  5. Step 5: Solve for x
    x = 18,991,715,777,769,784/174,681,014.20
  6. Step 6: Final answer
    x = 108,722,266.50

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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.