Home / 108,773,765.04-163,321,455.24-72,607,485.36

Finding the Fourth Proportional to 108,773,765.04, 163,321,455.24 and 72,607,485.36

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Solution

The fourth proportional to 108,773,765.04, 163,321,455.24 and 72,607,485.36 is: 109,018,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,773,765.04 : 163,321,455.24 = 72,607,485.36 : x
  2. Step 2: Convert to fraction form
    108,773,765.04/163,321,455.24 = 72,607,485.36/x
  3. Step 3: Cross multiply
    108,773,765.04x = 163,321,455.24 × 72,607,485.36
  4. Step 4: Simplify right side
    108,773,765.04x = 11,858,360,170,312,196
  5. Step 5: Solve for x
    x = 11,858,360,170,312,196/108,773,765.04
  6. Step 6: Final answer
    x = 109,018,568.64

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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.