Home / 170,813,980.40-256,220,970.60-162,877,794.80

Finding the Fourth Proportional to 170,813,980.40, 256,220,970.60 and 162,877,794.80

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Solution

The fourth proportional to 170,813,980.40, 256,220,970.60 and 162,877,794.80 is: 244,316,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,813,980.40 : 256,220,970.60 = 162,877,794.80 : x
  2. Step 2: Convert to fraction form
    170,813,980.40/256,220,970.60 = 162,877,794.80/x
  3. Step 3: Cross multiply
    170,813,980.40x = 256,220,970.60 × 162,877,794.80
  4. Step 4: Simplify right side
    170,813,980.40x = 41,732,706,672,843,632
  5. Step 5: Solve for x
    x = 41,732,706,672,843,632/170,813,980.40
  6. Step 6: Final answer
    x = 244,316,692.20

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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.