Home / 76,767,147.45-105,938,510.04-43,727,383.89

Finding the Fourth Proportional to 76,767,147.45, 105,938,510.04 and 43,727,383.89

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Solution

The fourth proportional to 76,767,147.45, 105,938,510.04 and 43,727,383.89 is: 60,343,702.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,767,147.45 : 105,938,510.04 = 43,727,383.89 : x
  2. Step 2: Convert to fraction form
    76,767,147.45/105,938,510.04 = 43,727,383.89/x
  3. Step 3: Cross multiply
    76,767,147.45x = 105,938,510.04 × 43,727,383.89
  4. Step 4: Simplify right side
    76,767,147.45x = 4,632,413,897,253,700
  5. Step 5: Solve for x
    x = 4,632,413,897,253,700/76,767,147.45
  6. Step 6: Final answer
    x = 60,343,702.37

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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.