Home / 111,174,477.90-153,420,793.83-61,618,050.87

Finding the Fourth Proportional to 111,174,477.90, 153,420,793.83 and 61,618,050.87

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Solution

The fourth proportional to 111,174,477.90, 153,420,793.83 and 61,618,050.87 is: 85,032,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174,477.90 : 153,420,793.83 = 61,618,050.87 : x
  2. Step 2: Convert to fraction form
    111,174,477.90/153,420,793.83 = 61,618,050.87/x
  3. Step 3: Cross multiply
    111,174,477.90x = 153,420,793.83 × 61,618,050.87
  4. Step 4: Simplify right side
    111,174,477.90x = 9,453,490,278,732,722
  5. Step 5: Solve for x
    x = 9,453,490,278,732,722/111,174,477.90
  6. Step 6: Final answer
    x = 85,032,918.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.