Home / 287,283,511.37-430,985,857.86-93,179,852.88

Finding the Fourth Proportional to 287,283,511.37, 430,985,857.86 and 93,179,852.88

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Solution

The fourth proportional to 287,283,511.37, 430,985,857.86 and 93,179,852.88 is: 139,789,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,283,511.37 : 430,985,857.86 = 93,179,852.88 : x
  2. Step 2: Convert to fraction form
    287,283,511.37/430,985,857.86 = 93,179,852.88/x
  3. Step 3: Cross multiply
    287,283,511.37x = 430,985,857.86 × 93,179,852.88
  4. Step 4: Simplify right side
    287,283,511.37x = 40,159,198,828,755,392
  5. Step 5: Solve for x
    x = 40,159,198,828,755,392/287,283,511.37
  6. Step 6: Final answer
    x = 139,789,431.83

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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.