Home / 171,680,205.40-257,520,308.10-164,984,048.80

Finding the Fourth Proportional to 171,680,205.40, 257,520,308.10 and 164,984,048.80

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Solution

The fourth proportional to 171,680,205.40, 257,520,308.10 and 164,984,048.80 is: 247,476,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,205.40 : 257,520,308.10 = 164,984,048.80 : x
  2. Step 2: Convert to fraction form
    171,680,205.40/257,520,308.10 = 164,984,048.80/x
  3. Step 3: Cross multiply
    171,680,205.40x = 257,520,308.10 × 164,984,048.80
  4. Step 4: Simplify right side
    171,680,205.40x = 42,486,743,078,561,440
  5. Step 5: Solve for x
    x = 42,486,743,078,561,440/171,680,205.40
  6. Step 6: Final answer
    x = 247,476,073.20

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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.