Home / 98,903,703.60-148,355,555.40-50,530,762.80

Finding the Fourth Proportional to 98,903,703.60, 148,355,555.40 and 50,530,762.80

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Solution

The fourth proportional to 98,903,703.60, 148,355,555.40 and 50,530,762.80 is: 75,796,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,903,703.60 : 148,355,555.40 = 50,530,762.80 : x
  2. Step 2: Convert to fraction form
    98,903,703.60/148,355,555.40 = 50,530,762.80/x
  3. Step 3: Cross multiply
    98,903,703.60x = 148,355,555.40 × 50,530,762.80
  4. Step 4: Simplify right side
    98,903,703.60x = 7,496,519,379,979,659
  5. Step 5: Solve for x
    x = 7,496,519,379,979,659/98,903,703.60
  6. Step 6: Final answer
    x = 75,796,144.20

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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.