Home / 200,352,407.70-300,528,611.55-165,915,030.90

Finding the Fourth Proportional to 200,352,407.70, 300,528,611.55 and 165,915,030.90

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Solution

The fourth proportional to 200,352,407.70, 300,528,611.55 and 165,915,030.90 is: 248,872,546.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,352,407.70 : 300,528,611.55 = 165,915,030.90 : x
  2. Step 2: Convert to fraction form
    200,352,407.70/300,528,611.55 = 165,915,030.90/x
  3. Step 3: Cross multiply
    200,352,407.70x = 300,528,611.55 × 165,915,030.90
  4. Step 4: Simplify right side
    200,352,407.70x = 49,862,213,871,652,352
  5. Step 5: Solve for x
    x = 49,862,213,871,652,352/200,352,407.70
  6. Step 6: Final answer
    x = 248,872,546.35

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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.