Home / 108,385,812.90-162,531,480.15-43,668,108.90

Finding the Fourth Proportional to 108,385,812.90, 162,531,480.15 and 43,668,108.90

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Solution

The fourth proportional to 108,385,812.90, 162,531,480.15 and 43,668,108.90 is: 65,483,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,385,812.90 : 162,531,480.15 = 43,668,108.90 : x
  2. Step 2: Convert to fraction form
    108,385,812.90/162,531,480.15 = 43,668,108.90/x
  3. Step 3: Cross multiply
    108,385,812.90x = 162,531,480.15 × 43,668,108.90
  4. Step 4: Simplify right side
    108,385,812.90x = 7,097,442,374,868,388
  5. Step 5: Solve for x
    x = 7,097,442,374,868,388/108,385,812.90
  6. Step 6: Final answer
    x = 65,483,130.91

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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.