Home / 111,219,030.40-166,828,545.60-106,684,067.20

Finding the Fourth Proportional to 111,219,030.40, 166,828,545.60 and 106,684,067.20

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Solution

The fourth proportional to 111,219,030.40, 166,828,545.60 and 106,684,067.20 is: 160,026,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,219,030.40 : 166,828,545.60 = 106,684,067.20 : x
  2. Step 2: Convert to fraction form
    111,219,030.40/166,828,545.60 = 106,684,067.20/x
  3. Step 3: Cross multiply
    111,219,030.40x = 166,828,545.60 × 106,684,067.20
  4. Step 4: Simplify right side
    111,219,030.40x = 17,797,947,769,668,664
  5. Step 5: Solve for x
    x = 17,797,947,769,668,664/111,219,030.40
  6. Step 6: Final answer
    x = 160,026,100.80

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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.