Home / 109,890,564.60-164,835,846.90-28,009,284.60

Finding the Fourth Proportional to 109,890,564.60, 164,835,846.90 and 28,009,284.60

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Solution

The fourth proportional to 109,890,564.60, 164,835,846.90 and 28,009,284.60 is: 42,013,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,890,564.60 : 164,835,846.90 = 28,009,284.60 : x
  2. Step 2: Convert to fraction form
    109,890,564.60/164,835,846.90 = 28,009,284.60/x
  3. Step 3: Cross multiply
    109,890,564.60x = 164,835,846.90 × 28,009,284.60
  4. Step 4: Simplify right side
    109,890,564.60x = 4,616,934,148,104,128
  5. Step 5: Solve for x
    x = 4,616,934,148,104,128/109,890,564.60
  6. Step 6: Final answer
    x = 42,013,926.90

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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.