Home / 148,344,561.70-222,363,315.15-66,502,647.70

Finding the Fourth Proportional to 148,344,561.70, 222,363,315.15 and 66,502,647.70

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Solution

The fourth proportional to 148,344,561.70, 222,363,315.15 and 66,502,647.70 is: 99,685,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,344,561.70 : 222,363,315.15 = 66,502,647.70 : x
  2. Step 2: Convert to fraction form
    148,344,561.70/222,363,315.15 = 66,502,647.70/x
  3. Step 3: Cross multiply
    148,344,561.70x = 222,363,315.15 × 66,502,647.70
  4. Step 4: Simplify right side
    148,344,561.70x = 14,787,749,208,824,524
  5. Step 5: Solve for x
    x = 14,787,749,208,824,524/148,344,561.70
  6. Step 6: Final answer
    x = 99,685,145.44

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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.