Home / 202,258,779.40-279,014,287.26-122,852,710.36

Finding the Fourth Proportional to 202,258,779.40, 279,014,287.26 and 122,852,710.36

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Solution

The fourth proportional to 202,258,779.40, 279,014,287.26 and 122,852,710.36 is: 169,474,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,258,779.40 : 279,014,287.26 = 122,852,710.36 : x
  2. Step 2: Convert to fraction form
    202,258,779.40/279,014,287.26 = 122,852,710.36/x
  3. Step 3: Cross multiply
    202,258,779.40x = 279,014,287.26 × 122,852,710.36
  4. Step 4: Simplify right side
    202,258,779.40x = 34,277,661,419,054,616
  5. Step 5: Solve for x
    x = 34,277,661,419,054,616/202,258,779.40
  6. Step 6: Final answer
    x = 169,474,282.01

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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.