Home / 192,514,695.75-288,771,594.53-126,458,088.40

Finding the Fourth Proportional to 192,514,695.75, 288,771,594.53 and 126,458,088.40

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Solution

The fourth proportional to 192,514,695.75, 288,771,594.53 and 126,458,088.40 is: 189,686,837.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,514,695.75 : 288,771,594.53 = 126,458,088.40 : x
  2. Step 2: Convert to fraction form
    192,514,695.75/288,771,594.53 = 126,458,088.40/x
  3. Step 3: Cross multiply
    192,514,695.75x = 288,771,594.53 × 126,458,088.40
  4. Step 4: Simplify right side
    192,514,695.75x = 36,517,503,827,297,280
  5. Step 5: Solve for x
    x = 36,517,503,827,297,280/192,514,695.75
  6. Step 6: Final answer
    x = 189,686,837.59

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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.