Home / 194,204,094.69-291,490,309.60-120,204,030.89

Finding the Fourth Proportional to 194,204,094.69, 291,490,309.60 and 120,204,030.89

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Solution

The fourth proportional to 194,204,094.69, 291,490,309.60 and 120,204,030.89 is: 180,420,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,204,094.69 : 291,490,309.60 = 120,204,030.89 : x
  2. Step 2: Convert to fraction form
    194,204,094.69/291,490,309.60 = 120,204,030.89/x
  3. Step 3: Cross multiply
    194,204,094.69x = 291,490,309.60 × 120,204,030.89
  4. Step 4: Simplify right side
    194,204,094.69x = 35,038,310,178,903,192
  5. Step 5: Solve for x
    x = 35,038,310,178,903,192/194,204,094.69
  6. Step 6: Final answer
    x = 180,420,038.18

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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.