Home / 69,783,101.46-104,690,263.95-21,264,752.48

Finding the Fourth Proportional to 69,783,101.46, 104,690,263.95 and 21,264,752.48

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Solution

The fourth proportional to 69,783,101.46, 104,690,263.95 and 21,264,752.48 is: 31,901,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783,101.46 : 104,690,263.95 = 21,264,752.48 : x
  2. Step 2: Convert to fraction form
    69,783,101.46/104,690,263.95 = 21,264,752.48/x
  3. Step 3: Cross multiply
    69,783,101.46x = 104,690,263.95 × 21,264,752.48
  4. Step 4: Simplify right side
    69,783,101.46x = 2,226,212,549,439,166
  5. Step 5: Solve for x
    x = 2,226,212,549,439,166/69,783,101.46
  6. Step 6: Final answer
    x = 31,901,886.03

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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.