Home / 100,925,605.54-139,277,314.11-54,515,859.94

Finding the Fourth Proportional to 100,925,605.54, 139,277,314.11 and 54,515,859.94

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Solution

The fourth proportional to 100,925,605.54, 139,277,314.11 and 54,515,859.94 is: 75,231,875.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,925,605.54 : 139,277,314.11 = 54,515,859.94 : x
  2. Step 2: Convert to fraction form
    100,925,605.54/139,277,314.11 = 54,515,859.94/x
  3. Step 3: Cross multiply
    100,925,605.54x = 139,277,314.11 × 54,515,859.94
  4. Step 4: Simplify right side
    100,925,605.54x = 7,592,822,548,840,146
  5. Step 5: Solve for x
    x = 7,592,822,548,840,146/100,925,605.54
  6. Step 6: Final answer
    x = 75,231,875.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.