Home / 99,606,893.55-137,457,696.52-55,556,731.68

Finding the Fourth Proportional to 99,606,893.55, 137,457,696.52 and 55,556,731.68

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Solution

The fourth proportional to 99,606,893.55, 137,457,696.52 and 55,556,731.68 is: 76,668,392.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606,893.55 : 137,457,696.52 = 55,556,731.68 : x
  2. Step 2: Convert to fraction form
    99,606,893.55/137,457,696.52 = 55,556,731.68/x
  3. Step 3: Cross multiply
    99,606,893.55x = 137,457,696.52 × 55,556,731.68
  4. Step 4: Simplify right side
    99,606,893.55x = 7,636,700,362,912,510
  5. Step 5: Solve for x
    x = 7,636,700,362,912,510/99,606,893.55
  6. Step 6: Final answer
    x = 76,668,392.02

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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.