Home / 193,128,374.60-289,692,561.90-91,091,702.60

Finding the Fourth Proportional to 193,128,374.60, 289,692,561.90 and 91,091,702.60

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Solution

The fourth proportional to 193,128,374.60, 289,692,561.90 and 91,091,702.60 is: 136,637,553.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,128,374.60 : 289,692,561.90 = 91,091,702.60 : x
  2. Step 2: Convert to fraction form
    193,128,374.60/289,692,561.90 = 91,091,702.60/x
  3. Step 3: Cross multiply
    193,128,374.60x = 289,692,561.90 × 91,091,702.60
  4. Step 4: Simplify right side
    193,128,374.60x = 26,388,588,694,026,888
  5. Step 5: Solve for x
    x = 26,388,588,694,026,888/193,128,374.60
  6. Step 6: Final answer
    x = 136,637,553.90

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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.