Home / 193,234,734.42-266,666,047.97-105,129,232.98

Finding the Fourth Proportional to 193,234,734.42, 266,666,047.97 and 105,129,232.98

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Solution

The fourth proportional to 193,234,734.42, 266,666,047.97 and 105,129,232.98 is: 145,079,491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,234,734.42 : 266,666,047.97 = 105,129,232.98 : x
  2. Step 2: Convert to fraction form
    193,234,734.42/266,666,047.97 = 105,129,232.98/x
  3. Step 3: Cross multiply
    193,234,734.42x = 266,666,047.97 × 105,129,232.98
  4. Step 4: Simplify right side
    193,234,734.42x = 28,034,397,084,893,988
  5. Step 5: Solve for x
    x = 28,034,397,084,893,988/193,234,734.42
  6. Step 6: Final answer
    x = 145,079,491.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.