Home / 147,166,285.60-220,749,428.40-70,449,824.80

Finding the Fourth Proportional to 147,166,285.60, 220,749,428.40 and 70,449,824.80

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Solution

The fourth proportional to 147,166,285.60, 220,749,428.40 and 70,449,824.80 is: 105,674,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,166,285.60 : 220,749,428.40 = 70,449,824.80 : x
  2. Step 2: Convert to fraction form
    147,166,285.60/220,749,428.40 = 70,449,824.80/x
  3. Step 3: Cross multiply
    147,166,285.60x = 220,749,428.40 × 70,449,824.80
  4. Step 4: Simplify right side
    147,166,285.60x = 15,551,758,555,480,144
  5. Step 5: Solve for x
    x = 15,551,758,555,480,144/147,166,285.60
  6. Step 6: Final answer
    x = 105,674,737.20

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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.