Home / 109,135,940.90-163,703,911.35-74,698,564.10

Finding the Fourth Proportional to 109,135,940.90, 163,703,911.35 and 74,698,564.10

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Solution

The fourth proportional to 109,135,940.90, 163,703,911.35 and 74,698,564.10 is: 112,047,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135,940.90 : 163,703,911.35 = 74,698,564.10 : x
  2. Step 2: Convert to fraction form
    109,135,940.90/163,703,911.35 = 74,698,564.10/x
  3. Step 3: Cross multiply
    109,135,940.90x = 163,703,911.35 × 74,698,564.10
  4. Step 4: Simplify right side
    109,135,940.90x = 12,228,447,115,398,692
  5. Step 5: Solve for x
    x = 12,228,447,115,398,692/109,135,940.90
  6. Step 6: Final answer
    x = 112,047,846.15

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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.