Home / 113,121,012.36-156,106,939.32-63,561,580.32

Finding the Fourth Proportional to 113,121,012.36, 156,106,939.32 and 63,561,580.32

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Solution

The fourth proportional to 113,121,012.36, 156,106,939.32 and 63,561,580.32 is: 87,714,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,121,012.36 : 156,106,939.32 = 63,561,580.32 : x
  2. Step 2: Convert to fraction form
    113,121,012.36/156,106,939.32 = 63,561,580.32/x
  3. Step 3: Cross multiply
    113,121,012.36x = 156,106,939.32 × 63,561,580.32
  4. Step 4: Simplify right side
    113,121,012.36x = 9,922,403,762,097,546
  5. Step 5: Solve for x
    x = 9,922,403,762,097,546/113,121,012.36
  6. Step 6: Final answer
    x = 87,714,948.40

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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.