Home / 306,465,825.79-422,931,771.66-167,245,555.42

Finding the Fourth Proportional to 306,465,825.79, 422,931,771.66 and 167,245,555.42

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Solution

The fourth proportional to 306,465,825.79, 422,931,771.66 and 167,245,555.42 is: 230,803,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,465,825.79 : 422,931,771.66 = 167,245,555.42 : x
  2. Step 2: Convert to fraction form
    306,465,825.79/422,931,771.66 = 167,245,555.42/x
  3. Step 3: Cross multiply
    306,465,825.79x = 422,931,771.66 × 167,245,555.42
  4. Step 4: Simplify right side
    306,465,825.79x = 70,733,459,056,041,312
  5. Step 5: Solve for x
    x = 70,733,459,056,041,312/306,465,825.79
  6. Step 6: Final answer
    x = 230,803,740.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.