Home / 48,731,853.30-67,280,534.73-31,358,390.91

Finding the Fourth Proportional to 48,731,853.30, 67,280,534.73 and 31,358,390.91

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Solution

The fourth proportional to 48,731,853.30, 67,280,534.73 and 31,358,390.91 is: 43,294,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,853.30 : 67,280,534.73 = 31,358,390.91 : x
  2. Step 2: Convert to fraction form
    48,731,853.30/67,280,534.73 = 31,358,390.91/x
  3. Step 3: Cross multiply
    48,731,853.30x = 67,280,534.73 × 31,358,390.91
  4. Step 4: Simplify right side
    48,731,853.30x = 2,109,809,308,697,171.50
  5. Step 5: Solve for x
    x = 2,109,809,308,697,171.50/48,731,853.30
  6. Step 6: Final answer
    x = 43,294,255.52

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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.