Home / 170,813,971.40-256,220,957.10-162,877,785.80

Finding the Fourth Proportional to 170,813,971.40, 256,220,957.10 and 162,877,785.80

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Solution

The fourth proportional to 170,813,971.40, 256,220,957.10 and 162,877,785.80 is: 244,316,678.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,813,971.40 : 256,220,957.10 = 162,877,785.80 : x
  2. Step 2: Convert to fraction form
    170,813,971.40/256,220,957.10 = 162,877,785.80/x
  3. Step 3: Cross multiply
    170,813,971.40x = 256,220,957.10 × 162,877,785.80
  4. Step 4: Simplify right side
    170,813,971.40x = 41,732,702,168,004,792
  5. Step 5: Solve for x
    x = 41,732,702,168,004,792/170,813,971.40
  6. Step 6: Final answer
    x = 244,316,678.70

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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.