Home / 156,686,458.40-235,106,929.20-70,485,869.60

Finding the Fourth Proportional to 156,686,458.40, 235,106,929.20 and 70,485,869.60

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Solution

The fourth proportional to 156,686,458.40, 235,106,929.20 and 70,485,869.60 is: 105,763,551.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686,458.40 : 235,106,929.20 = 70,485,869.60 : x
  2. Step 2: Convert to fraction form
    156,686,458.40/235,106,929.20 = 70,485,869.60/x
  3. Step 3: Cross multiply
    156,686,458.40x = 235,106,929.20 × 70,485,869.60
  4. Step 4: Simplify right side
    156,686,458.40x = 16,571,716,353,647,630
  5. Step 5: Solve for x
    x = 16,571,716,353,647,630/156,686,458.40
  6. Step 6: Final answer
    x = 105,763,551.76

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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.