Home / 74,310,870.21-102,543,000.68-42,950,950.70

Finding the Fourth Proportional to 74,310,870.21, 102,543,000.68 and 42,950,950.70

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Solution

The fourth proportional to 74,310,870.21, 102,543,000.68 and 42,950,950.70 is: 59,268,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310,870.21 : 102,543,000.68 = 42,950,950.70 : x
  2. Step 2: Convert to fraction form
    74,310,870.21/102,543,000.68 = 42,950,950.70/x
  3. Step 3: Cross multiply
    74,310,870.21x = 102,543,000.68 × 42,950,950.70
  4. Step 4: Simplify right side
    74,310,870.21x = 4,404,319,366,109,276.50
  5. Step 5: Solve for x
    x = 4,404,319,366,109,276.50/74,310,870.21
  6. Step 6: Final answer
    x = 59,268,843.89

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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.