Home / 102,879,052.46-142,090,922.72-67,753,875.09

Finding the Fourth Proportional to 102,879,052.46, 142,090,922.72 and 67,753,875.09

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Solution

The fourth proportional to 102,879,052.46, 142,090,922.72 and 67,753,875.09 is: 93,577,948.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,879,052.46 : 142,090,922.72 = 67,753,875.09 : x
  2. Step 2: Convert to fraction form
    102,879,052.46/142,090,922.72 = 67,753,875.09/x
  3. Step 3: Cross multiply
    102,879,052.46x = 142,090,922.72 × 67,753,875.09
  4. Step 4: Simplify right side
    102,879,052.46x = 9,627,210,630,095,948
  5. Step 5: Solve for x
    x = 9,627,210,630,095,948/102,879,052.46
  6. Step 6: Final answer
    x = 93,577,948.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.