Home / 147,166,286.60-220,749,429.90-70,449,825.80

Finding the Fourth Proportional to 147,166,286.60, 220,749,429.90 and 70,449,825.80

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Solution

The fourth proportional to 147,166,286.60, 220,749,429.90 and 70,449,825.80 is: 105,674,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,166,286.60 : 220,749,429.90 = 70,449,825.80 : x
  2. Step 2: Convert to fraction form
    147,166,286.60/220,749,429.90 = 70,449,825.80/x
  3. Step 3: Cross multiply
    147,166,286.60x = 220,749,429.90 × 70,449,825.80
  4. Step 4: Simplify right side
    147,166,286.60x = 15,551,758,881,904,312
  5. Step 5: Solve for x
    x = 15,551,758,881,904,312/147,166,286.60
  6. Step 6: Final answer
    x = 105,674,738.70

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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.