Home / 213,360,015.60-320,054,020.20-60,011,074.80

Finding the Fourth Proportional to 213,360,015.60, 320,054,020.20 and 60,011,074.80

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Solution

The fourth proportional to 213,360,015.60, 320,054,020.20 and 60,011,074.80 is: 90,020,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,360,015.60 : 320,054,020.20 = 60,011,074.80 : x
  2. Step 2: Convert to fraction form
    213,360,015.60/320,054,020.20 = 60,011,074.80/x
  3. Step 3: Cross multiply
    213,360,015.60x = 320,054,020.20 × 60,011,074.80
  4. Step 4: Simplify right side
    213,360,015.60x = 19,206,785,746,262,908
  5. Step 5: Solve for x
    x = 19,206,785,746,262,908/213,360,015.60
  6. Step 6: Final answer
    x = 90,020,549.03

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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.