Home / 78,886,818.76-108,861,721.44-44,079,795.28

Finding the Fourth Proportional to 78,886,818.76, 108,861,721.44 and 44,079,795.28

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Solution

The fourth proportional to 78,886,818.76, 108,861,721.44 and 44,079,795.28 is: 60,828,950.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,886,818.76 : 108,861,721.44 = 44,079,795.28 : x
  2. Step 2: Convert to fraction form
    78,886,818.76/108,861,721.44 = 44,079,795.28/x
  3. Step 3: Cross multiply
    78,886,818.76x = 108,861,721.44 × 44,079,795.28
  4. Step 4: Simplify right side
    78,886,818.76x = 4,798,602,394,903,587
  5. Step 5: Solve for x
    x = 4,798,602,394,903,587/78,886,818.76
  6. Step 6: Final answer
    x = 60,828,950.52

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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.