Home / 325,696,031.20-488,488,059.60-121,118,802.40

Finding the Fourth Proportional to 325,696,031.20, 488,488,059.60 and 121,118,802.40

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Solution

The fourth proportional to 325,696,031.20, 488,488,059.60 and 121,118,802.40 is: 181,657,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,696,031.20 : 488,488,059.60 = 121,118,802.40 : x
  2. Step 2: Convert to fraction form
    325,696,031.20/488,488,059.60 = 121,118,802.40/x
  3. Step 3: Cross multiply
    325,696,031.20x = 488,488,059.60 × 121,118,802.40
  4. Step 4: Simplify right side
    325,696,031.20x = 59,165,088,765,451,832
  5. Step 5: Solve for x
    x = 59,165,088,765,451,832/325,696,031.20
  6. Step 6: Final answer
    x = 181,657,383.26

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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.