Home / 176,382,372.89-243,421,308.99-105,820,638.57

Finding the Fourth Proportional to 176,382,372.89, 243,421,308.99 and 105,820,638.57

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Solution

The fourth proportional to 176,382,372.89, 243,421,308.99 and 105,820,638.57 is: 146,040,661.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,382,372.89 : 243,421,308.99 = 105,820,638.57 : x
  2. Step 2: Convert to fraction form
    176,382,372.89/243,421,308.99 = 105,820,638.57/x
  3. Step 3: Cross multiply
    176,382,372.89x = 243,421,308.99 × 105,820,638.57
  4. Step 4: Simplify right side
    176,382,372.89x = 25,758,998,358,867,080
  5. Step 5: Solve for x
    x = 25,758,998,358,867,080/176,382,372.89
  6. Step 6: Final answer
    x = 146,040,661.19

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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.