Home / 286,532,059.48-395,410,459.64-159,371,880.28

Finding the Fourth Proportional to 286,532,059.48, 395,410,459.64 and 159,371,880.28

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Solution

The fourth proportional to 286,532,059.48, 395,410,459.64 and 159,371,880.28 is: 219,931,090.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532,059.48 : 395,410,459.64 = 159,371,880.28 : x
  2. Step 2: Convert to fraction form
    286,532,059.48/395,410,459.64 = 159,371,880.28/x
  3. Step 3: Cross multiply
    286,532,059.48x = 395,410,459.64 × 159,371,880.28
  4. Step 4: Simplify right side
    286,532,059.48x = 63,017,308,435,205,848
  5. Step 5: Solve for x
    x = 63,017,308,435,205,848/286,532,059.48
  6. Step 6: Final answer
    x = 219,931,090.96

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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.