Home / 248,385,152.49-342,773,777.28-136,879,994.10

Finding the Fourth Proportional to 248,385,152.49, 342,773,777.28 and 136,879,994.10

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Solution

The fourth proportional to 248,385,152.49, 342,773,777.28 and 136,879,994.10 is: 188,895,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385,152.49 : 342,773,777.28 = 136,879,994.10 : x
  2. Step 2: Convert to fraction form
    248,385,152.49/342,773,777.28 = 136,879,994.10/x
  3. Step 3: Cross multiply
    248,385,152.49x = 342,773,777.28 × 136,879,994.10
  4. Step 4: Simplify right side
    248,385,152.49x = 46,918,872,611,721,112
  5. Step 5: Solve for x
    x = 46,918,872,611,721,112/248,385,152.49
  6. Step 6: Final answer
    x = 188,895,641.07

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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.