Home / 68,570,248.86-94,622,030.55-39,202,819.20

Finding the Fourth Proportional to 68,570,248.86, 94,622,030.55 and 39,202,819.20

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Solution

The fourth proportional to 68,570,248.86, 94,622,030.55 and 39,202,819.20 is: 54,097,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,570,248.86 : 94,622,030.55 = 39,202,819.20 : x
  2. Step 2: Convert to fraction form
    68,570,248.86/94,622,030.55 = 39,202,819.20/x
  3. Step 3: Cross multiply
    68,570,248.86x = 94,622,030.55 × 39,202,819.20
  4. Step 4: Simplify right side
    68,570,248.86x = 3,709,450,355,988,526.50
  5. Step 5: Solve for x
    x = 3,709,450,355,988,526.50/68,570,248.86
  6. Step 6: Final answer
    x = 54,097,081.72

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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.