Home / 111,532,319.36-153,907,853.48-61,970,998.40

Finding the Fourth Proportional to 111,532,319.36, 153,907,853.48 and 61,970,998.40

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Solution

The fourth proportional to 111,532,319.36, 153,907,853.48 and 61,970,998.40 is: 85,516,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,532,319.36 : 153,907,853.48 = 61,970,998.40 : x
  2. Step 2: Convert to fraction form
    111,532,319.36/153,907,853.48 = 61,970,998.40/x
  3. Step 3: Cross multiply
    111,532,319.36x = 153,907,853.48 × 61,970,998.40
  4. Step 4: Simplify right side
    111,532,319.36x = 9,537,823,341,756,514
  5. Step 5: Solve for x
    x = 9,537,823,341,756,514/111,532,319.36
  6. Step 6: Final answer
    x = 85,516,228.81

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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.