Home / 415,270,081.80-623,144,271.15-156,670,891.20

Finding the Fourth Proportional to 415,270,081.80, 623,144,271.15 and 156,670,891.20

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Solution

The fourth proportional to 415,270,081.80, 623,144,271.15 and 156,670,891.20 is: 235,096,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,270,081.80 : 623,144,271.15 = 156,670,891.20 : x
  2. Step 2: Convert to fraction form
    415,270,081.80/623,144,271.15 = 156,670,891.20/x
  3. Step 3: Cross multiply
    415,270,081.80x = 623,144,271.15 × 156,670,891.20
  4. Step 4: Simplify right side
    415,270,081.80x = 97,628,568,307,244,944
  5. Step 5: Solve for x
    x = 97,628,568,307,244,944/415,270,081.80
  6. Step 6: Final answer
    x = 235,096,561.46

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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.