Home / 144,828,374.70-217,242,562.05-143,820,605.10

Finding the Fourth Proportional to 144,828,374.70, 217,242,562.05 and 143,820,605.10

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Solution

The fourth proportional to 144,828,374.70, 217,242,562.05 and 143,820,605.10 is: 215,730,907.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,374.70 : 217,242,562.05 = 143,820,605.10 : x
  2. Step 2: Convert to fraction form
    144,828,374.70/217,242,562.05 = 143,820,605.10/x
  3. Step 3: Cross multiply
    144,828,374.70x = 217,242,562.05 × 143,820,605.10
  4. Step 4: Simplify right side
    144,828,374.70x = 31,243,956,727,505,296
  5. Step 5: Solve for x
    x = 31,243,956,727,505,296/144,828,374.70
  6. Step 6: Final answer
    x = 215,730,907.65

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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.