Home / 112,728,738.04-168,806,054.10-74,273,667.16

Finding the Fourth Proportional to 112,728,738.04, 168,806,054.10 and 74,273,667.16

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Solution

The fourth proportional to 112,728,738.04, 168,806,054.10 and 74,273,667.16 is: 111,221,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,728,738.04 : 168,806,054.10 = 74,273,667.16 : x
  2. Step 2: Convert to fraction form
    112,728,738.04/168,806,054.10 = 74,273,667.16/x
  3. Step 3: Cross multiply
    112,728,738.04x = 168,806,054.10 × 74,273,667.16
  4. Step 4: Simplify right side
    112,728,738.04x = 12,537,844,676,816,352
  5. Step 5: Solve for x
    x = 12,537,844,676,816,352/112,728,738.04
  6. Step 6: Final answer
    x = 111,221,369.94

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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.