Home / 125,976,172.60-188,935,900.80-45,197,140.60

Finding the Fourth Proportional to 125,976,172.60, 188,935,900.80 and 45,197,140.60

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Solution

The fourth proportional to 125,976,172.60, 188,935,900.80 and 45,197,140.60 is: 67,785,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,976,172.60 : 188,935,900.80 = 45,197,140.60 : x
  2. Step 2: Convert to fraction form
    125,976,172.60/188,935,900.80 = 45,197,140.60/x
  3. Step 3: Cross multiply
    125,976,172.60x = 188,935,900.80 × 45,197,140.60
  4. Step 4: Simplify right side
    125,976,172.60x = 8,539,362,472,845,253
  5. Step 5: Solve for x
    x = 8,539,362,472,845,253/125,976,172.60
  6. Step 6: Final answer
    x = 67,785,536.71

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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.