Home / 99,280,464.80-148,920,697.20-73,771,296.80

Finding the Fourth Proportional to 99,280,464.80, 148,920,697.20 and 73,771,296.80

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Solution

The fourth proportional to 99,280,464.80, 148,920,697.20 and 73,771,296.80 is: 110,656,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280,464.80 : 148,920,697.20 = 73,771,296.80 : x
  2. Step 2: Convert to fraction form
    99,280,464.80/148,920,697.20 = 73,771,296.80/x
  3. Step 3: Cross multiply
    99,280,464.80x = 148,920,697.20 × 73,771,296.80
  4. Step 4: Simplify right side
    99,280,464.80x = 10,986,072,952,804,128
  5. Step 5: Solve for x
    x = 10,986,072,952,804,128/99,280,464.80
  6. Step 6: Final answer
    x = 110,656,945.20

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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.