Home / 213,608,211.42-294,785,128.08-120,802,597.50

Finding the Fourth Proportional to 213,608,211.42, 294,785,128.08 and 120,802,597.50

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Solution

The fourth proportional to 213,608,211.42, 294,785,128.08 and 120,802,597.50 is: 166,710,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,608,211.42 : 294,785,128.08 = 120,802,597.50 : x
  2. Step 2: Convert to fraction form
    213,608,211.42/294,785,128.08 = 120,802,597.50/x
  3. Step 3: Cross multiply
    213,608,211.42x = 294,785,128.08 × 120,802,597.50
  4. Step 4: Simplify right side
    213,608,211.42x = 35,610,809,176,434,184
  5. Step 5: Solve for x
    x = 35,610,809,176,434,184/213,608,211.42
  6. Step 6: Final answer
    x = 166,710,862.56

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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.