Home / 279,938,017.10-419,907,025.65-118,379,953.10

Finding the Fourth Proportional to 279,938,017.10, 419,907,025.65 and 118,379,953.10

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Solution

The fourth proportional to 279,938,017.10, 419,907,025.65 and 118,379,953.10 is: 177,569,929.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,017.10 : 419,907,025.65 = 118,379,953.10 : x
  2. Step 2: Convert to fraction form
    279,938,017.10/419,907,025.65 = 118,379,953.10/x
  3. Step 3: Cross multiply
    279,938,017.10x = 419,907,025.65 × 118,379,953.10
  4. Step 4: Simplify right side
    279,938,017.10x = 49,708,574,002,807,488
  5. Step 5: Solve for x
    x = 49,708,574,002,807,488/279,938,017.10
  6. Step 6: Final answer
    x = 177,569,929.65

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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.