Home / 178,098,237.30-266,580,485.55-127,079,901.30

Finding the Fourth Proportional to 178,098,237.30, 266,580,485.55 and 127,079,901.30

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Solution

The fourth proportional to 178,098,237.30, 266,580,485.55 and 127,079,901.30 is: 190,215,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,098,237.30 : 266,580,485.55 = 127,079,901.30 : x
  2. Step 2: Convert to fraction form
    178,098,237.30/266,580,485.55 = 127,079,901.30/x
  3. Step 3: Cross multiply
    178,098,237.30x = 266,580,485.55 × 127,079,901.30
  4. Step 4: Simplify right side
    178,098,237.30x = 33,877,021,792,200,076
  5. Step 5: Solve for x
    x = 33,877,021,792,200,076/178,098,237.30
  6. Step 6: Final answer
    x = 190,215,368.25

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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.