Home / 105,969,338.60-146,239,005.36-64,152,848.84

Finding the Fourth Proportional to 105,969,338.60, 146,239,005.36 and 64,152,848.84

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Solution

The fourth proportional to 105,969,338.60, 146,239,005.36 and 64,152,848.84 is: 88,531,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,969,338.60 : 146,239,005.36 = 64,152,848.84 : x
  2. Step 2: Convert to fraction form
    105,969,338.60/146,239,005.36 = 64,152,848.84/x
  3. Step 3: Cross multiply
    105,969,338.60x = 146,239,005.36 × 64,152,848.84
  4. Step 4: Simplify right side
    105,969,338.60x = 9,381,648,805,372,032
  5. Step 5: Solve for x
    x = 9,381,648,805,372,032/105,969,338.60
  6. Step 6: Final answer
    x = 88,531,729.36

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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.