Home / 176,382,386.21-243,421,327.39-105,820,651.89

Finding the Fourth Proportional to 176,382,386.21, 243,421,327.39 and 105,820,651.89

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Solution

The fourth proportional to 176,382,386.21, 243,421,327.39 and 105,820,651.89 is: 146,040,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382,386.21 : 243,421,327.39 = 105,820,651.89 : x
  2. Step 2: Convert to fraction form
    176,382,386.21/243,421,327.39 = 105,820,651.89/x
  3. Step 3: Cross multiply
    176,382,386.21x = 243,421,327.39 × 105,820,651.89
  4. Step 4: Simplify right side
    176,382,386.21x = 25,759,003,548,338,912
  5. Step 5: Solve for x
    x = 25,759,003,548,338,912/176,382,386.21
  6. Step 6: Final answer
    x = 146,040,679.58

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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.