Home / 56,582,833.50-78,084,310.23-30,828,721.50

Finding the Fourth Proportional to 56,582,833.50, 78,084,310.23 and 30,828,721.50

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Solution

The fourth proportional to 56,582,833.50, 78,084,310.23 and 30,828,721.50 is: 42,543,635.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,582,833.50 : 78,084,310.23 = 30,828,721.50 : x
  2. Step 2: Convert to fraction form
    56,582,833.50/78,084,310.23 = 30,828,721.50/x
  3. Step 3: Cross multiply
    56,582,833.50x = 78,084,310.23 × 30,828,721.50
  4. Step 4: Simplify right side
    56,582,833.50x = 2,407,239,453,600,271
  5. Step 5: Solve for x
    x = 2,407,239,453,600,271/56,582,833.50
  6. Step 6: Final answer
    x = 42,543,635.67

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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.