Home / 83,663,116.65-115,468,792.65-69,702,333.57

Finding the Fourth Proportional to 83,663,116.65, 115,468,792.65 and 69,702,333.57

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Solution

The fourth proportional to 83,663,116.65, 115,468,792.65 and 69,702,333.57 is: 96,200,627.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,663,116.65 : 115,468,792.65 = 69,702,333.57 : x
  2. Step 2: Convert to fraction form
    83,663,116.65/115,468,792.65 = 69,702,333.57/x
  3. Step 3: Cross multiply
    83,663,116.65x = 115,468,792.65 × 69,702,333.57
  4. Step 4: Simplify right side
    83,663,116.65x = 8,048,444,302,215,464
  5. Step 5: Solve for x
    x = 8,048,444,302,215,464/83,663,116.65
  6. Step 6: Final answer
    x = 96,200,627.28

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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.