Home / 101,499,914.55-140,069,985.75-55,090,178.04

Finding the Fourth Proportional to 101,499,914.55, 140,069,985.75 and 55,090,178.04

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Solution

The fourth proportional to 101,499,914.55, 140,069,985.75 and 55,090,178.04 is: 76,024,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,914.55 : 140,069,985.75 = 55,090,178.04 : x
  2. Step 2: Convert to fraction form
    101,499,914.55/140,069,985.75 = 55,090,178.04/x
  3. Step 3: Cross multiply
    101,499,914.55x = 140,069,985.75 × 55,090,178.04
  4. Step 4: Simplify right side
    101,499,914.55x = 7,716,480,453,027,763
  5. Step 5: Solve for x
    x = 7,716,480,453,027,763/101,499,914.55
  6. Step 6: Final answer
    x = 76,024,501.96

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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.