Home / 314,439,889.75-433,921,235.70-171,386,885.68

Finding the Fourth Proportional to 314,439,889.75, 433,921,235.70 and 171,386,885.68

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Solution

The fourth proportional to 314,439,889.75, 433,921,235.70 and 171,386,885.68 is: 236,510,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,439,889.75 : 433,921,235.70 = 171,386,885.68 : x
  2. Step 2: Convert to fraction form
    314,439,889.75/433,921,235.70 = 171,386,885.68/x
  3. Step 3: Cross multiply
    314,439,889.75x = 433,921,235.70 × 171,386,885.68
  4. Step 4: Simplify right side
    314,439,889.75x = 74,368,409,217,040,240
  5. Step 5: Solve for x
    x = 74,368,409,217,040,240/314,439,889.75
  6. Step 6: Final answer
    x = 236,510,734.30

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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.