Home / 74,164,273.38-102,339,323.03-42,812,422.76

Finding the Fourth Proportional to 74,164,273.38, 102,339,323.03 and 42,812,422.76

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Solution

The fourth proportional to 74,164,273.38, 102,339,323.03 and 42,812,422.76 is: 59,076,886.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164,273.38 : 102,339,323.03 = 42,812,422.76 : x
  2. Step 2: Convert to fraction form
    74,164,273.38/102,339,323.03 = 42,812,422.76/x
  3. Step 3: Cross multiply
    74,164,273.38x = 102,339,323.03 × 42,812,422.76
  4. Step 4: Simplify right side
    74,164,273.38x = 4,381,394,362,895,444
  5. Step 5: Solve for x
    x = 4,381,394,362,895,444/74,164,273.38
  6. Step 6: Final answer
    x = 59,076,886.53

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1.5x scale

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.