Home / 229,435,272.31-343,907,848.95-130,854,738.28

Finding the Fourth Proportional to 229,435,272.31, 343,907,848.95 and 130,854,738.28

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Solution

The fourth proportional to 229,435,272.31, 343,907,848.95 and 130,854,738.28 is: 196,142,341.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,435,272.31 : 343,907,848.95 = 130,854,738.28 : x
  2. Step 2: Convert to fraction form
    229,435,272.31/343,907,848.95 = 130,854,738.28/x
  3. Step 3: Cross multiply
    229,435,272.31x = 343,907,848.95 × 130,854,738.28
  4. Step 4: Simplify right side
    229,435,272.31x = 45,001,971,567,976,928
  5. Step 5: Solve for x
    x = 45,001,971,567,976,928/229,435,272.31
  6. Step 6: Final answer
    x = 196,142,341.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.