Home / 219,560,667-302,990,895.38-125,473,734.74

Finding the Fourth Proportional to 219,560,667, 302,990,895.38 and 125,473,734.74

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Solution

The fourth proportional to 219,560,667, 302,990,895.38 and 125,473,734.74 is: 173,152,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,560,667 : 302,990,895.38 = 125,473,734.74 : x
  2. Step 2: Convert to fraction form
    219,560,667/302,990,895.38 = 125,473,734.74/x
  3. Step 3: Cross multiply
    219,560,667x = 302,990,895.38 × 125,473,734.74
  4. Step 4: Simplify right side
    219,560,667x = 38,017,399,233,402,888
  5. Step 5: Solve for x
    x = 38,017,399,233,402,888/219,560,667
  6. Step 6: Final answer
    x = 173,152,139.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.