Home / 78,796,205-108,737,627.81-43,515,502.93

Finding the Fourth Proportional to 78,796,205, 108,737,627.81 and 43,515,502.93

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Solution

The fourth proportional to 78,796,205, 108,737,627.81 and 43,515,502.93 is: 60,050,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,796,205 : 108,737,627.81 = 43,515,502.93 : x
  2. Step 2: Convert to fraction form
    78,796,205/108,737,627.81 = 43,515,502.93/x
  3. Step 3: Cross multiply
    78,796,205x = 108,737,627.81 × 43,515,502.93
  4. Step 4: Simplify right side
    78,796,205x = 4,731,772,561,567,305
  5. Step 5: Solve for x
    x = 4,731,772,561,567,305/78,796,205
  6. Step 6: Final answer
    x = 60,050,767.19

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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.