Home / 190,026,187.80-285,039,281.70-117,006,194.40

Finding the Fourth Proportional to 190,026,187.80, 285,039,281.70 and 117,006,194.40

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Solution

The fourth proportional to 190,026,187.80, 285,039,281.70 and 117,006,194.40 is: 175,509,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,026,187.80 : 285,039,281.70 = 117,006,194.40 : x
  2. Step 2: Convert to fraction form
    190,026,187.80/285,039,281.70 = 117,006,194.40/x
  3. Step 3: Cross multiply
    190,026,187.80x = 285,039,281.70 × 117,006,194.40
  4. Step 4: Simplify right side
    190,026,187.80x = 33,351,361,606,226,564
  5. Step 5: Solve for x
    x = 33,351,361,606,226,564/190,026,187.80
  6. Step 6: Final answer
    x = 175,509,291.60

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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.