Home / 170,814,006.40-256,221,009.60-162,877,820.80

Finding the Fourth Proportional to 170,814,006.40, 256,221,009.60 and 162,877,820.80

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Solution

The fourth proportional to 170,814,006.40, 256,221,009.60 and 162,877,820.80 is: 244,316,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,814,006.40 : 256,221,009.60 = 162,877,820.80 : x
  2. Step 2: Convert to fraction form
    170,814,006.40/256,221,009.60 = 162,877,820.80/x
  3. Step 3: Cross multiply
    170,814,006.40x = 256,221,009.60 × 162,877,820.80
  4. Step 4: Simplify right side
    170,814,006.40x = 41,732,719,686,823,880
  5. Step 5: Solve for x
    x = 41,732,719,686,823,880/170,814,006.40
  6. Step 6: Final answer
    x = 244,316,731.20

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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.