Home / 142,413,040.36-213,618,360.52-111,314,855.49

Finding the Fourth Proportional to 142,413,040.36, 213,618,360.52 and 111,314,855.49

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Solution

The fourth proportional to 142,413,040.36, 213,618,360.52 and 111,314,855.49 is: 166,971,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,413,040.36 : 213,618,360.52 = 111,314,855.49 : x
  2. Step 2: Convert to fraction form
    142,413,040.36/213,618,360.52 = 111,314,855.49/x
  3. Step 3: Cross multiply
    142,413,040.36x = 213,618,360.52 × 111,314,855.49
  4. Step 4: Simplify right side
    142,413,040.36x = 23,778,896,931,090,752
  5. Step 5: Solve for x
    x = 23,778,896,931,090,752/142,413,040.36
  6. Step 6: Final answer
    x = 166,971,345.25

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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.