Home / 294,516,103.80-441,774,155.70-212,886,766.20

Finding the Fourth Proportional to 294,516,103.80, 441,774,155.70 and 212,886,766.20

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Solution

The fourth proportional to 294,516,103.80, 441,774,155.70 and 212,886,766.20 is: 319,330,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,516,103.80 : 441,774,155.70 = 212,886,766.20 : x
  2. Step 2: Convert to fraction form
    294,516,103.80/441,774,155.70 = 212,886,766.20/x
  3. Step 3: Cross multiply
    294,516,103.80x = 441,774,155.70 × 212,886,766.20
  4. Step 4: Simplify right side
    294,516,103.80x = 94,047,871,397,708,288
  5. Step 5: Solve for x
    x = 94,047,871,397,708,288/294,516,103.80
  6. Step 6: Final answer
    x = 319,330,149.30

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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.