Home / 190,011,110.98-285,059,643.57-102,570,751.15

Finding the Fourth Proportional to 190,011,110.98, 285,059,643.57 and 102,570,751.15

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Solution

The fourth proportional to 190,011,110.98, 285,059,643.57 and 102,570,751.15 is: 153,879,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,011,110.98 : 285,059,643.57 = 102,570,751.15 : x
  2. Step 2: Convert to fraction form
    190,011,110.98/285,059,643.57 = 102,570,751.15/x
  3. Step 3: Cross multiply
    190,011,110.98x = 285,059,643.57 × 102,570,751.15
  4. Step 4: Simplify right side
    190,011,110.98x = 29,238,781,763,526,168
  5. Step 5: Solve for x
    x = 29,238,781,763,526,168/190,011,110.98
  6. Step 6: Final answer
    x = 153,879,326.39

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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.