Home / 120,988,700.70-181,482,774.22-51,856,678.03

Finding the Fourth Proportional to 120,988,700.70, 181,482,774.22 and 51,856,678.03

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Solution

The fourth proportional to 120,988,700.70, 181,482,774.22 and 51,856,678.03 is: 77,784,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,988,700.70 : 181,482,774.22 = 51,856,678.03 : x
  2. Step 2: Convert to fraction form
    120,988,700.70/181,482,774.22 = 51,856,678.03/x
  3. Step 3: Cross multiply
    120,988,700.70x = 181,482,774.22 × 51,856,678.03
  4. Step 4: Simplify right side
    120,988,700.70x = 9,411,093,790,717,724
  5. Step 5: Solve for x
    x = 9,411,093,790,717,724/120,988,700.70
  6. Step 6: Final answer
    x = 77,784,898.39

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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.