Home / 122,688,710.20-183,876,767.70-65,208,518.20

Finding the Fourth Proportional to 122,688,710.20, 183,876,767.70 and 65,208,518.20

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Solution

The fourth proportional to 122,688,710.20, 183,876,767.70 and 65,208,518.20 is: 97,729,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,688,710.20 : 183,876,767.70 = 65,208,518.20 : x
  2. Step 2: Convert to fraction form
    122,688,710.20/183,876,767.70 = 65,208,518.20/x
  3. Step 3: Cross multiply
    122,688,710.20x = 183,876,767.70 × 65,208,518.20
  4. Step 4: Simplify right side
    122,688,710.20x = 11,990,331,553,122,622
  5. Step 5: Solve for x
    x = 11,990,331,553,122,622/122,688,710.20
  6. Step 6: Final answer
    x = 97,729,705.80

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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.