Home / 252,021,409.40-377,606,961.30-122,349,805.40

Finding the Fourth Proportional to 252,021,409.40, 377,606,961.30 and 122,349,805.40

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Solution

The fourth proportional to 252,021,409.40, 377,606,961.30 and 122,349,805.40 is: 183,318,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,021,409.40 : 377,606,961.30 = 122,349,805.40 : x
  2. Step 2: Convert to fraction form
    252,021,409.40/377,606,961.30 = 122,349,805.40/x
  3. Step 3: Cross multiply
    252,021,409.40x = 377,606,961.30 × 122,349,805.40
  4. Step 4: Simplify right side
    252,021,409.40x = 46,200,138,232,740,336
  5. Step 5: Solve for x
    x = 46,200,138,232,740,336/252,021,409.40
  6. Step 6: Final answer
    x = 183,318,307.53

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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.