Home / 101,971,446,387.60-140,721,033,503.60-55,622,883,678.32

Finding the Fourth Proportional to 101,971,446,387.60, 140,721,033,503.60 and 55,622,883,678.32

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Solution

The fourth proportional to 101,971,446,387.60, 140,721,033,503.60 and 55,622,883,678.32 is: 76,759,818,115.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,971,446,387.60 : 140,721,033,503.60 = 55,622,883,678.32 : x
  2. Step 2: Convert to fraction form
    101,971,446,387.60/140,721,033,503.60 = 55,622,883,678.32/x
  3. Step 3: Cross multiply
    101,971,446,387.60x = 140,721,033,503.60 × 55,622,883,678.32
  4. Step 4: Simplify right side
    101,971,446,387.60x = 7,827,309,677,663,714,541,568
  5. Step 5: Solve for x
    x = 7,827,309,677,663,714,541,568/101,971,446,387.60
  6. Step 6: Final answer
    x = 76,759,818,115.28

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1.5x scale

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.