Home / 159,901,001.44-220,663,455.80-86,562,143.44

Finding the Fourth Proportional to 159,901,001.44, 220,663,455.80 and 86,562,143.44

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Solution

The fourth proportional to 159,901,001.44, 220,663,455.80 and 86,562,143.44 is: 119,455,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,901,001.44 : 220,663,455.80 = 86,562,143.44 : x
  2. Step 2: Convert to fraction form
    159,901,001.44/220,663,455.80 = 86,562,143.44/x
  3. Step 3: Cross multiply
    159,901,001.44x = 220,663,455.80 × 86,562,143.44
  4. Step 4: Simplify right side
    159,901,001.44x = 19,101,101,711,938,584
  5. Step 5: Solve for x
    x = 19,101,101,711,938,584/159,901,001.44
  6. Step 6: Final answer
    x = 119,455,797.90

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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.