Home / 209,952,238.80-314,928,358.20-144,478,707.60

Finding the Fourth Proportional to 209,952,238.80, 314,928,358.20 and 144,478,707.60

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Solution

The fourth proportional to 209,952,238.80, 314,928,358.20 and 144,478,707.60 is: 216,718,061.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,238.80 : 314,928,358.20 = 144,478,707.60 : x
  2. Step 2: Convert to fraction form
    209,952,238.80/314,928,358.20 = 144,478,707.60/x
  3. Step 3: Cross multiply
    209,952,238.80x = 314,928,358.20 × 144,478,707.60
  4. Step 4: Simplify right side
    209,952,238.80x = 45,500,442,179,325,856
  5. Step 5: Solve for x
    x = 45,500,442,179,325,856/209,952,238.80
  6. Step 6: Final answer
    x = 216,718,061.40

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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.