Home / 202,258,815.87-279,014,337.67-122,852,746.83

Finding the Fourth Proportional to 202,258,815.87, 279,014,337.67 and 122,852,746.83

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Solution

The fourth proportional to 202,258,815.87, 279,014,337.67 and 122,852,746.83 is: 169,474,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,258,815.87 : 279,014,337.67 = 122,852,746.83 : x
  2. Step 2: Convert to fraction form
    202,258,815.87/279,014,337.67 = 122,852,746.83/x
  3. Step 3: Cross multiply
    202,258,815.87x = 279,014,337.67 × 122,852,746.83
  4. Step 4: Simplify right side
    202,258,815.87x = 34,277,677,787,712,644
  5. Step 5: Solve for x
    x = 34,277,677,787,712,644/202,258,815.87
  6. Step 6: Final answer
    x = 169,474,332.38

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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.