Home / 286,084,491.20-429,190,705.40-104,331,669.20

Finding the Fourth Proportional to 286,084,491.20, 429,190,705.40 and 104,331,669.20

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Solution

The fourth proportional to 286,084,491.20, 429,190,705.40 and 104,331,669.20 is: 156,520,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,084,491.20 : 429,190,705.40 = 104,331,669.20 : x
  2. Step 2: Convert to fraction form
    286,084,491.20/429,190,705.40 = 104,331,669.20/x
  3. Step 3: Cross multiply
    286,084,491.20x = 429,190,705.40 × 104,331,669.20
  4. Step 4: Simplify right side
    286,084,491.20x = 44,778,182,699,507,456
  5. Step 5: Solve for x
    x = 44,778,182,699,507,456/286,084,491.20
  6. Step 6: Final answer
    x = 156,520,832.40

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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.