Home / 287,283,505.34-430,985,848.85-93,179,846.88

Finding the Fourth Proportional to 287,283,505.34, 430,985,848.85 and 93,179,846.88

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Solution

The fourth proportional to 287,283,505.34, 430,985,848.85 and 93,179,846.88 is: 139,789,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,283,505.34 : 430,985,848.85 = 93,179,846.88 : x
  2. Step 2: Convert to fraction form
    287,283,505.34/430,985,848.85 = 93,179,846.88/x
  3. Step 3: Cross multiply
    287,283,505.34x = 430,985,848.85 × 93,179,846.88
  4. Step 4: Simplify right side
    287,283,505.34x = 40,159,195,403,172,416
  5. Step 5: Solve for x
    x = 40,159,195,403,172,416/287,283,505.34
  6. Step 6: Final answer
    x = 139,789,422.84

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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.