Home / 200,352,409.20-300,528,613.80-165,915,032.40

Finding the Fourth Proportional to 200,352,409.20, 300,528,613.80 and 165,915,032.40

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Solution

The fourth proportional to 200,352,409.20, 300,528,613.80 and 165,915,032.40 is: 248,872,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,352,409.20 : 300,528,613.80 = 165,915,032.40 : x
  2. Step 2: Convert to fraction form
    200,352,409.20/300,528,613.80 = 165,915,032.40/x
  3. Step 3: Cross multiply
    200,352,409.20x = 300,528,613.80 × 165,915,032.40
  4. Step 4: Simplify right side
    200,352,409.20x = 49,862,214,695,754,088
  5. Step 5: Solve for x
    x = 49,862,214,695,754,088/200,352,409.20
  6. Step 6: Final answer
    x = 248,872,548.60

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1.5x scale

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.