Home / 83,136,968.82-114,724,389.15-45,965,100.06

Finding the Fourth Proportional to 83,136,968.82, 114,724,389.15 and 45,965,100.06

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Solution

The fourth proportional to 83,136,968.82, 114,724,389.15 and 45,965,100.06 is: 63,429,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,136,968.82 : 114,724,389.15 = 45,965,100.06 : x
  2. Step 2: Convert to fraction form
    83,136,968.82/114,724,389.15 = 45,965,100.06/x
  3. Step 3: Cross multiply
    83,136,968.82x = 114,724,389.15 × 45,965,100.06
  4. Step 4: Simplify right side
    83,136,968.82x = 5,273,318,026,602,129
  5. Step 5: Solve for x
    x = 5,273,318,026,602,129/83,136,968.82
  6. Step 6: Final answer
    x = 63,429,279.43

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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.