Home / 291,140,065.81-436,564,065.43-96,983,221.33

Finding the Fourth Proportional to 291,140,065.81, 436,564,065.43 and 96,983,221.33

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Solution

The fourth proportional to 291,140,065.81, 436,564,065.43 and 96,983,221.33 is: 145,426,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,140,065.81 : 436,564,065.43 = 96,983,221.33 : x
  2. Step 2: Convert to fraction form
    291,140,065.81/436,564,065.43 = 96,983,221.33/x
  3. Step 3: Cross multiply
    291,140,065.81x = 436,564,065.43 × 96,983,221.33
  4. Step 4: Simplify right side
    291,140,065.81x = 42,339,389,382,322,288
  5. Step 5: Solve for x
    x = 42,339,389,382,322,288/291,140,065.81
  6. Step 6: Final answer
    x = 145,426,186.07

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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.