Home / 124,485,038.40-186,601,586.40-73,340,731.20

Finding the Fourth Proportional to 124,485,038.40, 186,601,586.40 and 73,340,731.20

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Solution

The fourth proportional to 124,485,038.40, 186,601,586.40 and 73,340,731.20 is: 109,936,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,485,038.40 : 186,601,586.40 = 73,340,731.20 : x
  2. Step 2: Convert to fraction form
    124,485,038.40/186,601,586.40 = 73,340,731.20/x
  3. Step 3: Cross multiply
    124,485,038.40x = 186,601,586.40 × 73,340,731.20
  4. Step 4: Simplify right side
    124,485,038.40x = 13,685,496,789,655,976
  5. Step 5: Solve for x
    x = 13,685,496,789,655,976/124,485,038.40
  6. Step 6: Final answer
    x = 109,936,880.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.