Home / 118,341,387.60-177,512,081.40-66,685,322.40

Finding the Fourth Proportional to 118,341,387.60, 177,512,081.40 and 66,685,322.40

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Solution

The fourth proportional to 118,341,387.60, 177,512,081.40 and 66,685,322.40 is: 100,027,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,341,387.60 : 177,512,081.40 = 66,685,322.40 : x
  2. Step 2: Convert to fraction form
    118,341,387.60/177,512,081.40 = 66,685,322.40/x
  3. Step 3: Cross multiply
    118,341,387.60x = 177,512,081.40 × 66,685,322.40
  4. Step 4: Simplify right side
    118,341,387.60x = 11,837,450,378,054,044
  5. Step 5: Solve for x
    x = 11,837,450,378,054,044/118,341,387.60
  6. Step 6: Final answer
    x = 100,027,983.60

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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.