Home / 100,736,231.10-151,029,697.05-68,307,200.70

Finding the Fourth Proportional to 100,736,231.10, 151,029,697.05 and 68,307,200.70

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Solution

The fourth proportional to 100,736,231.10, 151,029,697.05 and 68,307,200.70 is: 102,410,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,736,231.10 : 151,029,697.05 = 68,307,200.70 : x
  2. Step 2: Convert to fraction form
    100,736,231.10/151,029,697.05 = 68,307,200.70/x
  3. Step 3: Cross multiply
    100,736,231.10x = 151,029,697.05 × 68,307,200.70
  4. Step 4: Simplify right side
    100,736,231.10x = 10,316,415,828,054,550
  5. Step 5: Solve for x
    x = 10,316,415,828,054,550/100,736,231.10
  6. Step 6: Final answer
    x = 102,410,182.67

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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.