Home / 114,413,628.90-171,620,443.35-105,007,779.30

Finding the Fourth Proportional to 114,413,628.90, 171,620,443.35 and 105,007,779.30

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Solution

The fourth proportional to 114,413,628.90, 171,620,443.35 and 105,007,779.30 is: 157,511,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,413,628.90 : 171,620,443.35 = 105,007,779.30 : x
  2. Step 2: Convert to fraction form
    114,413,628.90/171,620,443.35 = 105,007,779.30/x
  3. Step 3: Cross multiply
    114,413,628.90x = 171,620,443.35 × 105,007,779.30
  4. Step 4: Simplify right side
    114,413,628.90x = 18,021,481,638,664,952
  5. Step 5: Solve for x
    x = 18,021,481,638,664,952/114,413,628.90
  6. Step 6: Final answer
    x = 157,511,668.95

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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.