Home / 156,686,453.90-235,106,922.45-70,485,865.10

Finding the Fourth Proportional to 156,686,453.90, 235,106,922.45 and 70,485,865.10

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Solution

The fourth proportional to 156,686,453.90, 235,106,922.45 and 70,485,865.10 is: 105,763,545.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,686,453.90 : 235,106,922.45 = 70,485,865.10 : x
  2. Step 2: Convert to fraction form
    156,686,453.90/235,106,922.45 = 70,485,865.10/x
  3. Step 3: Cross multiply
    156,686,453.90x = 235,106,922.45 × 70,485,865.10
  4. Step 4: Simplify right side
    156,686,453.90x = 16,571,714,819,886,860
  5. Step 5: Solve for x
    x = 16,571,714,819,886,860/156,686,453.90
  6. Step 6: Final answer
    x = 105,763,545.01

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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.