Home / 194,279,056.43-291,386,664.01-69,755,907.40

Finding the Fourth Proportional to 194,279,056.43, 291,386,664.01 and 69,755,907.40

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Solution

The fourth proportional to 194,279,056.43, 291,386,664.01 and 69,755,907.40 is: 104,622,399.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,279,056.43 : 291,386,664.01 = 69,755,907.40 : x
  2. Step 2: Convert to fraction form
    194,279,056.43/291,386,664.01 = 69,755,907.40/x
  3. Step 3: Cross multiply
    194,279,056.43x = 291,386,664.01 × 69,755,907.40
  4. Step 4: Simplify right side
    194,279,056.43x = 20,325,941,152,276,472
  5. Step 5: Solve for x
    x = 20,325,941,152,276,472/194,279,056.43
  6. Step 6: Final answer
    x = 104,622,399.99

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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.