Home / 56,133,601.20-84,200,401.80-49,191,188.40

Finding the Fourth Proportional to 56,133,601.20, 84,200,401.80 and 49,191,188.40

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Solution

The fourth proportional to 56,133,601.20, 84,200,401.80 and 49,191,188.40 is: 73,786,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133,601.20 : 84,200,401.80 = 49,191,188.40 : x
  2. Step 2: Convert to fraction form
    56,133,601.20/84,200,401.80 = 49,191,188.40/x
  3. Step 3: Cross multiply
    56,133,601.20x = 84,200,401.80 × 49,191,188.40
  4. Step 4: Simplify right side
    56,133,601.20x = 4,141,917,828,299,499
  5. Step 5: Solve for x
    x = 4,141,917,828,299,499/56,133,601.20
  6. Step 6: Final answer
    x = 73,786,782.60

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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.