Home / 291,269,421.90-437,072,094.45-109,646,945.10

Finding the Fourth Proportional to 291,269,421.90, 437,072,094.45 and 109,646,945.10

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Solution

The fourth proportional to 291,269,421.90, 437,072,094.45 and 109,646,945.10 is: 164,533,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,269,421.90 : 437,072,094.45 = 109,646,945.10 : x
  2. Step 2: Convert to fraction form
    291,269,421.90/437,072,094.45 = 109,646,945.10/x
  3. Step 3: Cross multiply
    291,269,421.90x = 437,072,094.45 × 109,646,945.10
  4. Step 4: Simplify right side
    291,269,421.90x = 47,923,619,944,901,160
  5. Step 5: Solve for x
    x = 47,923,619,944,901,160/291,269,421.90
  6. Step 6: Final answer
    x = 164,533,645.97

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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.