Home / 291,369,905.10-437,054,857.65-75,959,153.10

Finding the Fourth Proportional to 291,369,905.10, 437,054,857.65 and 75,959,153.10

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Solution

The fourth proportional to 291,369,905.10, 437,054,857.65 and 75,959,153.10 is: 113,938,729.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,369,905.10 : 437,054,857.65 = 75,959,153.10 : x
  2. Step 2: Convert to fraction form
    291,369,905.10/437,054,857.65 = 75,959,153.10/x
  3. Step 3: Cross multiply
    291,369,905.10x = 437,054,857.65 × 75,959,153.10
  4. Step 4: Simplify right side
    291,369,905.10x = 33,198,316,845,335,052
  5. Step 5: Solve for x
    x = 33,198,316,845,335,052/291,369,905.10
  6. Step 6: Final answer
    x = 113,938,729.65

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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.