Home / 209,952,243.80-314,928,365.70-144,478,712.60

Finding the Fourth Proportional to 209,952,243.80, 314,928,365.70 and 144,478,712.60

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Solution

The fourth proportional to 209,952,243.80, 314,928,365.70 and 144,478,712.60 is: 216,718,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,243.80 : 314,928,365.70 = 144,478,712.60 : x
  2. Step 2: Convert to fraction form
    209,952,243.80/314,928,365.70 = 144,478,712.60/x
  3. Step 3: Cross multiply
    209,952,243.80x = 314,928,365.70 × 144,478,712.60
  4. Step 4: Simplify right side
    209,952,243.80x = 45,500,444,837,557,992
  5. Step 5: Solve for x
    x = 45,500,444,837,557,992/209,952,243.80
  6. Step 6: Final answer
    x = 216,718,068.90

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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.