Home / 122,378,536.80-183,142,652.40-112,174,869.60

Finding the Fourth Proportional to 122,378,536.80, 183,142,652.40 and 112,174,869.60

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Solution

The fourth proportional to 122,378,536.80, 183,142,652.40 and 112,174,869.60 is: 167,872,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,378,536.80 : 183,142,652.40 = 112,174,869.60 : x
  2. Step 2: Convert to fraction form
    122,378,536.80/183,142,652.40 = 112,174,869.60/x
  3. Step 3: Cross multiply
    122,378,536.80x = 183,142,652.40 × 112,174,869.60
  4. Step 4: Simplify right side
    122,378,536.80x = 20,544,003,151,168,128
  5. Step 5: Solve for x
    x = 20,544,003,151,168,128/122,378,536.80
  6. Step 6: Final answer
    x = 167,872,599.95

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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.