Home / 289,249,973.46-399,189,581.37-163,824,481.62

Finding the Fourth Proportional to 289,249,973.46, 399,189,581.37 and 163,824,481.62

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Solution

The fourth proportional to 289,249,973.46, 399,189,581.37 and 163,824,481.62 is: 226,091,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,249,973.46 : 399,189,581.37 = 163,824,481.62 : x
  2. Step 2: Convert to fraction form
    289,249,973.46/399,189,581.37 = 163,824,481.62/x
  3. Step 3: Cross multiply
    289,249,973.46x = 399,189,581.37 × 163,824,481.62
  4. Step 4: Simplify right side
    289,249,973.46x = 65,397,026,236,045,064
  5. Step 5: Solve for x
    x = 65,397,026,236,045,064/289,249,973.46
  6. Step 6: Final answer
    x = 226,091,727.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.