Home / 108,875,885.80-163,313,828.70-97,790,420.20

Finding the Fourth Proportional to 108,875,885.80, 163,313,828.70 and 97,790,420.20

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Solution

The fourth proportional to 108,875,885.80, 163,313,828.70 and 97,790,420.20 is: 146,685,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,875,885.80 : 163,313,828.70 = 97,790,420.20 : x
  2. Step 2: Convert to fraction form
    108,875,885.80/163,313,828.70 = 97,790,420.20/x
  3. Step 3: Cross multiply
    108,875,885.80x = 163,313,828.70 × 97,790,420.20
  4. Step 4: Simplify right side
    108,875,885.80x = 15,970,527,933,043,820
  5. Step 5: Solve for x
    x = 15,970,527,933,043,820/108,875,885.80
  6. Step 6: Final answer
    x = 146,685,630.30

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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.