Home / 108,258,331.20-162,387,496.80-73,820,954.40

Finding the Fourth Proportional to 108,258,331.20, 162,387,496.80 and 73,820,954.40

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Solution

The fourth proportional to 108,258,331.20, 162,387,496.80 and 73,820,954.40 is: 110,731,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,258,331.20 : 162,387,496.80 = 73,820,954.40 : x
  2. Step 2: Convert to fraction form
    108,258,331.20/162,387,496.80 = 73,820,954.40/x
  3. Step 3: Cross multiply
    108,258,331.20x = 162,387,496.80 × 73,820,954.40
  4. Step 4: Simplify right side
    108,258,331.20x = 11,987,599,996,402,948
  5. Step 5: Solve for x
    x = 11,987,599,996,402,948/108,258,331.20
  6. Step 6: Final answer
    x = 110,731,431.60

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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.