Home / 248,278,475.34-342,634,924.94-138,270,188.34

Finding the Fourth Proportional to 248,278,475.34, 342,634,924.94 and 138,270,188.34

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Solution

The fourth proportional to 248,278,475.34, 342,634,924.94 and 138,270,188.34 is: 190,818,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,278,475.34 : 342,634,924.94 = 138,270,188.34 : x
  2. Step 2: Convert to fraction form
    248,278,475.34/342,634,924.94 = 138,270,188.34/x
  3. Step 3: Cross multiply
    248,278,475.34x = 342,634,924.94 × 138,270,188.34
  4. Step 4: Simplify right side
    248,278,475.34x = 47,376,195,602,624,216
  5. Step 5: Solve for x
    x = 47,376,195,602,624,216/248,278,475.34
  6. Step 6: Final answer
    x = 190,818,779.35

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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.