Home / 248,385,151.64-342,773,776.12-136,879,993.25

Finding the Fourth Proportional to 248,385,151.64, 342,773,776.12 and 136,879,993.25

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Solution

The fourth proportional to 248,385,151.64, 342,773,776.12 and 136,879,993.25 is: 188,895,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,385,151.64 : 342,773,776.12 = 136,879,993.25 : x
  2. Step 2: Convert to fraction form
    248,385,151.64/342,773,776.12 = 136,879,993.25/x
  3. Step 3: Cross multiply
    248,385,151.64x = 342,773,776.12 × 136,879,993.25
  4. Step 4: Simplify right side
    248,385,151.64x = 46,918,872,160,898,216
  5. Step 5: Solve for x
    x = 46,918,872,160,898,216/248,385,151.64
  6. Step 6: Final answer
    x = 188,895,639.90

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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.