Home / 137,853,301.12-190,265,785.04-82,131,364

Finding the Fourth Proportional to 137,853,301.12, 190,265,785.04 and 82,131,364

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Solution

The fourth proportional to 137,853,301.12, 190,265,785.04 and 82,131,364 is: 113,358,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,853,301.12 : 190,265,785.04 = 82,131,364 : x
  2. Step 2: Convert to fraction form
    137,853,301.12/190,265,785.04 = 82,131,364/x
  3. Step 3: Cross multiply
    137,853,301.12x = 190,265,785.04 × 82,131,364
  4. Step 4: Simplify right side
    137,853,301.12x = 15,626,788,447,865,994
  5. Step 5: Solve for x
    x = 15,626,788,447,865,994/137,853,301.12
  6. Step 6: Final answer
    x = 113,358,101.12

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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.