Home / 128,083,111.97-176,752,584.48-69,345,307.49

Finding the Fourth Proportional to 128,083,111.97, 176,752,584.48 and 69,345,307.49

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Solution

The fourth proportional to 128,083,111.97, 176,752,584.48 and 69,345,307.49 is: 95,695,381.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,083,111.97 : 176,752,584.48 = 69,345,307.49 : x
  2. Step 2: Convert to fraction form
    128,083,111.97/176,752,584.48 = 69,345,307.49/x
  3. Step 3: Cross multiply
    128,083,111.97x = 176,752,584.48 × 69,345,307.49
  4. Step 4: Simplify right side
    128,083,111.97x = 12,256,962,319,534,038
  5. Step 5: Solve for x
    x = 12,256,962,319,534,038/128,083,111.97
  6. Step 6: Final answer
    x = 95,695,381.94

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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.