Home / 71,879,657.38-107,781,124.64-37,301,242.77

Finding the Fourth Proportional to 71,879,657.38, 107,781,124.64 and 37,301,242.77

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Solution

The fourth proportional to 71,879,657.38, 107,781,124.64 and 37,301,242.77 is: 55,931,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,879,657.38 : 107,781,124.64 = 37,301,242.77 : x
  2. Step 2: Convert to fraction form
    71,879,657.38/107,781,124.64 = 37,301,242.77/x
  3. Step 3: Cross multiply
    71,879,657.38x = 107,781,124.64 × 37,301,242.77
  4. Step 4: Simplify right side
    71,879,657.38x = 4,020,369,896,033,763
  5. Step 5: Solve for x
    x = 4,020,369,896,033,763/71,879,657.38
  6. Step 6: Final answer
    x = 55,931,956.87

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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.