Home / 153,983,534.44-212,444,964.48-87,856,527.64

Finding the Fourth Proportional to 153,983,534.44, 212,444,964.48 and 87,856,527.64

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Solution

The fourth proportional to 153,983,534.44, 212,444,964.48 and 87,856,527.64 is: 121,212,160.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,983,534.44 : 212,444,964.48 = 87,856,527.64 : x
  2. Step 2: Convert to fraction form
    153,983,534.44/212,444,964.48 = 87,856,527.64/x
  3. Step 3: Cross multiply
    153,983,534.44x = 212,444,964.48 × 87,856,527.64
  4. Step 4: Simplify right side
    153,983,534.44x = 18,664,676,893,284,824
  5. Step 5: Solve for x
    x = 18,664,676,893,284,824/153,983,534.44
  6. Step 6: Final answer
    x = 121,212,160.52

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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.