Home / 216,547,499.70-324,900,965.70-70,985,809.80

Finding the Fourth Proportional to 216,547,499.70, 324,900,965.70 and 70,985,809.80

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Solution

The fourth proportional to 216,547,499.70, 324,900,965.70 and 70,985,809.80 is: 106,504,846.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,547,499.70 : 324,900,965.70 = 70,985,809.80 : x
  2. Step 2: Convert to fraction form
    216,547,499.70/324,900,965.70 = 70,985,809.80/x
  3. Step 3: Cross multiply
    216,547,499.70x = 324,900,965.70 × 70,985,809.80
  4. Step 4: Simplify right side
    216,547,499.70x = 23,063,358,155,016,524
  5. Step 5: Solve for x
    x = 23,063,358,155,016,524/216,547,499.70
  6. Step 6: Final answer
    x = 106,504,846.22

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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.