Home / 111,532,308.23-153,907,838.17-61,970,987.27

Finding the Fourth Proportional to 111,532,308.23, 153,907,838.17 and 61,970,987.27

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Solution

The fourth proportional to 111,532,308.23, 153,907,838.17 and 61,970,987.27 is: 85,516,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,532,308.23 : 153,907,838.17 = 61,970,987.27 : x
  2. Step 2: Convert to fraction form
    111,532,308.23/153,907,838.17 = 61,970,987.27/x
  3. Step 3: Cross multiply
    111,532,308.23x = 153,907,838.17 × 61,970,987.27
  4. Step 4: Simplify right side
    111,532,308.23x = 9,537,820,680,216,132
  5. Step 5: Solve for x
    x = 9,537,820,680,216,132/111,532,308.23
  6. Step 6: Final answer
    x = 85,516,213.48

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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.