Home / 217,872,021.40-326,808,032.10-166,853,685.40

Finding the Fourth Proportional to 217,872,021.40, 326,808,032.10 and 166,853,685.40

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Solution

The fourth proportional to 217,872,021.40, 326,808,032.10 and 166,853,685.40 is: 250,280,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,872,021.40 : 326,808,032.10 = 166,853,685.40 : x
  2. Step 2: Convert to fraction form
    217,872,021.40/326,808,032.10 = 166,853,685.40/x
  3. Step 3: Cross multiply
    217,872,021.40x = 326,808,032.10 × 166,853,685.40
  4. Step 4: Simplify right side
    217,872,021.40x = 54,529,124,574,206,504
  5. Step 5: Solve for x
    x = 54,529,124,574,206,504/217,872,021.40
  6. Step 6: Final answer
    x = 250,280,528.10

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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.