Home / 74,085,283.70-111,127,925.55-72,668,107.70

Finding the Fourth Proportional to 74,085,283.70, 111,127,925.55 and 72,668,107.70

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Solution

The fourth proportional to 74,085,283.70, 111,127,925.55 and 72,668,107.70 is: 109,002,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,085,283.70 : 111,127,925.55 = 72,668,107.70 : x
  2. Step 2: Convert to fraction form
    74,085,283.70/111,127,925.55 = 72,668,107.70/x
  3. Step 3: Cross multiply
    74,085,283.70x = 111,127,925.55 × 72,668,107.70
  4. Step 4: Simplify right side
    74,085,283.70x = 8,075,456,062,344,982
  5. Step 5: Solve for x
    x = 8,075,456,062,344,982/74,085,283.70
  6. Step 6: Final answer
    x = 109,002,161.55

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1.5x scale

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.