Home / 293,580,809.40-440,371,214.10-120,968,772.60

Finding the Fourth Proportional to 293,580,809.40, 440,371,214.10 and 120,968,772.60

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Solution

The fourth proportional to 293,580,809.40, 440,371,214.10 and 120,968,772.60 is: 181,453,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,580,809.40 : 440,371,214.10 = 120,968,772.60 : x
  2. Step 2: Convert to fraction form
    293,580,809.40/440,371,214.10 = 120,968,772.60/x
  3. Step 3: Cross multiply
    293,580,809.40x = 440,371,214.10 × 120,968,772.60
  4. Step 4: Simplify right side
    293,580,809.40x = 53,271,165,258,048,816
  5. Step 5: Solve for x
    x = 53,271,165,258,048,816/293,580,809.40
  6. Step 6: Final answer
    x = 181,453,158.90

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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.