Home / 243,281,633.38-335,459,544.33-155,035,749.22

Finding the Fourth Proportional to 243,281,633.38, 335,459,544.33 and 155,035,749.22

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Solution

The fourth proportional to 243,281,633.38, 335,459,544.33 and 155,035,749.22 is: 213,777,838.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,281,633.38 : 335,459,544.33 = 155,035,749.22 : x
  2. Step 2: Convert to fraction form
    243,281,633.38/335,459,544.33 = 155,035,749.22/x
  3. Step 3: Cross multiply
    243,281,633.38x = 335,459,544.33 × 155,035,749.22
  4. Step 4: Simplify right side
    243,281,633.38x = 52,008,221,788,201,352
  5. Step 5: Solve for x
    x = 52,008,221,788,201,352/243,281,633.38
  6. Step 6: Final answer
    x = 213,777,838.74

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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.