Home / 108,803,581.80-163,205,372.70-72,293,585.10

Finding the Fourth Proportional to 108,803,581.80, 163,205,372.70 and 72,293,585.10

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Solution

The fourth proportional to 108,803,581.80, 163,205,372.70 and 72,293,585.10 is: 108,440,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,803,581.80 : 163,205,372.70 = 72,293,585.10 : x
  2. Step 2: Convert to fraction form
    108,803,581.80/163,205,372.70 = 72,293,585.10/x
  3. Step 3: Cross multiply
    108,803,581.80x = 163,205,372.70 × 72,293,585.10
  4. Step 4: Simplify right side
    108,803,581.80x = 11,798,701,500,064,664
  5. Step 5: Solve for x
    x = 11,798,701,500,064,664/108,803,581.80
  6. Step 6: Final answer
    x = 108,440,377.65

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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.