Home / 48,731,858.30-67,280,541.63-31,358,395.92

Finding the Fourth Proportional to 48,731,858.30, 67,280,541.63 and 31,358,395.92

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Solution

The fourth proportional to 48,731,858.30, 67,280,541.63 and 31,358,395.92 is: 43,294,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731,858.30 : 67,280,541.63 = 31,358,395.92 : x
  2. Step 2: Convert to fraction form
    48,731,858.30/67,280,541.63 = 31,358,395.92/x
  3. Step 3: Cross multiply
    48,731,858.30x = 67,280,541.63 × 31,358,395.92
  4. Step 4: Simplify right side
    48,731,858.30x = 2,109,809,862,145,582
  5. Step 5: Solve for x
    x = 2,109,809,862,145,582/48,731,858.30
  6. Step 6: Final answer
    x = 43,294,262.43

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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.