Home / 97,739,377.40-146,410,661.45-76,084,928.12

Finding the Fourth Proportional to 97,739,377.40, 146,410,661.45 and 76,084,928.12

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Solution

The fourth proportional to 97,739,377.40, 146,410,661.45 and 76,084,928.12 is: 113,972,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,739,377.40 : 146,410,661.45 = 76,084,928.12 : x
  2. Step 2: Convert to fraction form
    97,739,377.40/146,410,661.45 = 76,084,928.12/x
  3. Step 3: Cross multiply
    97,739,377.40x = 146,410,661.45 × 76,084,928.12
  4. Step 4: Simplify right side
    97,739,377.40x = 11,139,644,651,312,426
  5. Step 5: Solve for x
    x = 11,139,644,651,312,426/97,739,377.40
  6. Step 6: Final answer
    x = 113,972,944.66

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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.