Home / 84,866,074.07-127,866,206.02-76,678,233.11

Finding the Fourth Proportional to 84,866,074.07, 127,866,206.02 and 76,678,233.11

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Solution

The fourth proportional to 84,866,074.07, 127,866,206.02 and 76,678,233.11 is: 115,529,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,866,074.07 : 127,866,206.02 = 76,678,233.11 : x
  2. Step 2: Convert to fraction form
    84,866,074.07/127,866,206.02 = 76,678,233.11/x
  3. Step 3: Cross multiply
    84,866,074.07x = 127,866,206.02 × 76,678,233.11
  4. Step 4: Simplify right side
    84,866,074.07x = 9,804,554,752,092,844
  5. Step 5: Solve for x
    x = 9,804,554,752,092,844/84,866,074.07
  6. Step 6: Final answer
    x = 115,529,731.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.