Home / 325,753,401.60-488,462,140.80-121,176,172.80

Finding the Fourth Proportional to 325,753,401.60, 488,462,140.80 and 121,176,172.80

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Solution

The fourth proportional to 325,753,401.60, 488,462,140.80 and 121,176,172.80 is: 181,701,779.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,753,401.60 : 488,462,140.80 = 121,176,172.80 : x
  2. Step 2: Convert to fraction form
    325,753,401.60/488,462,140.80 = 121,176,172.80/x
  3. Step 3: Cross multiply
    325,753,401.60x = 488,462,140.80 × 121,176,172.80
  4. Step 4: Simplify right side
    325,753,401.60x = 59,189,972,779,838,728
  5. Step 5: Solve for x
    x = 59,189,972,779,838,728/325,753,401.60
  6. Step 6: Final answer
    x = 181,701,779.59

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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.