Home / 108,889,762.20-163,334,643.30-84,230,899.80

Finding the Fourth Proportional to 108,889,762.20, 163,334,643.30 and 84,230,899.80

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Solution

The fourth proportional to 108,889,762.20, 163,334,643.30 and 84,230,899.80 is: 126,346,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,762.20 : 163,334,643.30 = 84,230,899.80 : x
  2. Step 2: Convert to fraction form
    108,889,762.20/163,334,643.30 = 84,230,899.80/x
  3. Step 3: Cross multiply
    108,889,762.20x = 163,334,643.30 × 84,230,899.80
  4. Step 4: Simplify right side
    108,889,762.20x = 13,757,823,973,671,042
  5. Step 5: Solve for x
    x = 13,757,823,973,671,042/108,889,762.20
  6. Step 6: Final answer
    x = 126,346,349.70

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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.