Home / 289,322,211.25-399,264,807.05-158,950,417.33

Finding the Fourth Proportional to 289,322,211.25, 399,264,807.05 and 158,950,417.33

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Solution

The fourth proportional to 289,322,211.25, 399,264,807.05 and 158,950,417.33 is: 219,351,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,322,211.25 : 399,264,807.05 = 158,950,417.33 : x
  2. Step 2: Convert to fraction form
    289,322,211.25/399,264,807.05 = 158,950,417.33/x
  3. Step 3: Cross multiply
    289,322,211.25x = 399,264,807.05 × 158,950,417.33
  4. Step 4: Simplify right side
    289,322,211.25x = 63,463,307,705,779,432
  5. Step 5: Solve for x
    x = 63,463,307,705,779,432/289,322,211.25
  6. Step 6: Final answer
    x = 219,351,661.36

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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.