Home / 99,943,059.74-137,956,095.68-68,684,583.83

Finding the Fourth Proportional to 99,943,059.74, 137,956,095.68 and 68,684,583.83

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Solution

The fourth proportional to 99,943,059.74, 137,956,095.68 and 68,684,583.83 is: 94,808,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,943,059.74 : 137,956,095.68 = 68,684,583.83 : x
  2. Step 2: Convert to fraction form
    99,943,059.74/137,956,095.68 = 68,684,583.83/x
  3. Step 3: Cross multiply
    99,943,059.74x = 137,956,095.68 × 68,684,583.83
  4. Step 4: Simplify right side
    99,943,059.74x = 9,475,457,017,559,258
  5. Step 5: Solve for x
    x = 9,475,457,017,559,258/99,943,059.74
  6. Step 6: Final answer
    x = 94,808,554.42

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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.