Home / 111,532,312.23-153,907,843.69-61,970,991.27

Finding the Fourth Proportional to 111,532,312.23, 153,907,843.69 and 61,970,991.27

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Solution

The fourth proportional to 111,532,312.23, 153,907,843.69 and 61,970,991.27 is: 85,516,218.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,532,312.23 : 153,907,843.69 = 61,970,991.27 : x
  2. Step 2: Convert to fraction form
    111,532,312.23/153,907,843.69 = 61,970,991.27/x
  3. Step 3: Cross multiply
    111,532,312.23x = 153,907,843.69 × 61,970,991.27
  4. Step 4: Simplify right side
    111,532,312.23x = 9,537,821,637,197,516
  5. Step 5: Solve for x
    x = 9,537,821,637,197,516/111,532,312.23
  6. Step 6: Final answer
    x = 85,516,218.99

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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.