Home / 79,738,530.50-110,039,250.12-43,069,101.50

Finding the Fourth Proportional to 79,738,530.50, 110,039,250.12 and 43,069,101.50

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Solution

The fourth proportional to 79,738,530.50, 110,039,250.12 and 43,069,101.50 is: 59,435,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,738,530.50 : 110,039,250.12 = 43,069,101.50 : x
  2. Step 2: Convert to fraction form
    79,738,530.50/110,039,250.12 = 43,069,101.50/x
  3. Step 3: Cross multiply
    79,738,530.50x = 110,039,250.12 × 43,069,101.50
  4. Step 4: Simplify right side
    79,738,530.50x = 4,739,291,632,402,167
  5. Step 5: Solve for x
    x = 4,739,291,632,402,167/79,738,530.50
  6. Step 6: Final answer
    x = 59,435,402.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.