Home / 112,334,991.20-168,502,486.80-94,195,138.40

Finding the Fourth Proportional to 112,334,991.20, 168,502,486.80 and 94,195,138.40

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Solution

The fourth proportional to 112,334,991.20, 168,502,486.80 and 94,195,138.40 is: 141,292,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,991.20 : 168,502,486.80 = 94,195,138.40 : x
  2. Step 2: Convert to fraction form
    112,334,991.20/168,502,486.80 = 94,195,138.40/x
  3. Step 3: Cross multiply
    112,334,991.20x = 168,502,486.80 × 94,195,138.40
  4. Step 4: Simplify right side
    112,334,991.20x = 15,872,115,064,870,176
  5. Step 5: Solve for x
    x = 15,872,115,064,870,176/112,334,991.20
  6. Step 6: Final answer
    x = 141,292,707.60

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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.