Home / 103,588,450.14-142,952,075.19-57,178,712.82

Finding the Fourth Proportional to 103,588,450.14, 142,952,075.19 and 57,178,712.82

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Solution

The fourth proportional to 103,588,450.14, 142,952,075.19 and 57,178,712.82 is: 78,906,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,588,450.14 : 142,952,075.19 = 57,178,712.82 : x
  2. Step 2: Convert to fraction form
    103,588,450.14/142,952,075.19 = 57,178,712.82/x
  3. Step 3: Cross multiply
    103,588,450.14x = 142,952,075.19 × 57,178,712.82
  4. Step 4: Simplify right side
    103,588,450.14x = 8,173,815,654,312,057
  5. Step 5: Solve for x
    x = 8,173,815,654,312,057/103,588,450.14
  6. Step 6: Final answer
    x = 78,906,631.42

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1.5x scale

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.