Home / 112,164,128.88-168,104,668.65-56,845,863.15

Finding the Fourth Proportional to 112,164,128.88, 168,104,668.65 and 56,845,863.15

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Solution

The fourth proportional to 112,164,128.88, 168,104,668.65 and 56,845,863.15 is: 85,197,068.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164,128.88 : 168,104,668.65 = 56,845,863.15 : x
  2. Step 2: Convert to fraction form
    112,164,128.88/168,104,668.65 = 56,845,863.15/x
  3. Step 3: Cross multiply
    112,164,128.88x = 168,104,668.65 × 56,845,863.15
  4. Step 4: Simplify right side
    112,164,128.88x = 9,556,054,988,953,996
  5. Step 5: Solve for x
    x = 9,556,054,988,953,996/112,164,128.88
  6. Step 6: Final answer
    x = 85,197,068.66

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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.