Home / 118,084,712.40-177,127,068.60-75,144,279.60

Finding the Fourth Proportional to 118,084,712.40, 177,127,068.60 and 75,144,279.60

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Solution

The fourth proportional to 118,084,712.40, 177,127,068.60 and 75,144,279.60 is: 112,716,419.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,084,712.40 : 177,127,068.60 = 75,144,279.60 : x
  2. Step 2: Convert to fraction form
    118,084,712.40/177,127,068.60 = 75,144,279.60/x
  3. Step 3: Cross multiply
    118,084,712.40x = 177,127,068.60 × 75,144,279.60
  4. Step 4: Simplify right side
    118,084,712.40x = 13,310,085,967,606,780
  5. Step 5: Solve for x
    x = 13,310,085,967,606,780/118,084,712.40
  6. Step 6: Final answer
    x = 112,716,419.40

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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.