Home / 289,931,259.56-400,105,203.42-159,551,067.56

Finding the Fourth Proportional to 289,931,259.56, 400,105,203.42 and 159,551,067.56

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Solution

The fourth proportional to 289,931,259.56, 400,105,203.42 and 159,551,067.56 is: 220,180,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,931,259.56 : 400,105,203.42 = 159,551,067.56 : x
  2. Step 2: Convert to fraction form
    289,931,259.56/400,105,203.42 = 159,551,067.56/x
  3. Step 3: Cross multiply
    289,931,259.56x = 400,105,203.42 × 159,551,067.56
  4. Step 4: Simplify right side
    289,931,259.56x = 63,837,212,339,971,440
  5. Step 5: Solve for x
    x = 63,837,212,339,971,440/289,931,259.56
  6. Step 6: Final answer
    x = 220,180,509.12

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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.