Home / 108,867,005.20-163,300,507.80-48,400,829.20

Finding the Fourth Proportional to 108,867,005.20, 163,300,507.80 and 48,400,829.20

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Solution

The fourth proportional to 108,867,005.20, 163,300,507.80 and 48,400,829.20 is: 72,601,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,867,005.20 : 163,300,507.80 = 48,400,829.20 : x
  2. Step 2: Convert to fraction form
    108,867,005.20/163,300,507.80 = 48,400,829.20/x
  3. Step 3: Cross multiply
    108,867,005.20x = 163,300,507.80 × 48,400,829.20
  4. Step 4: Simplify right side
    108,867,005.20x = 7,903,879,986,301,069
  5. Step 5: Solve for x
    x = 7,903,879,986,301,069/108,867,005.20
  6. Step 6: Final answer
    x = 72,601,243.80

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1.5x scale

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.