Home / 81,656,693.89-112,685,897.74-44,486,858.45

Finding the Fourth Proportional to 81,656,693.89, 112,685,897.74 and 44,486,858.45

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Solution

The fourth proportional to 81,656,693.89, 112,685,897.74 and 44,486,858.45 is: 61,391,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,693.89 : 112,685,897.74 = 44,486,858.45 : x
  2. Step 2: Convert to fraction form
    81,656,693.89/112,685,897.74 = 44,486,858.45/x
  3. Step 3: Cross multiply
    81,656,693.89x = 112,685,897.74 × 44,486,858.45
  4. Step 4: Simplify right side
    81,656,693.89x = 5,013,041,581,819,855
  5. Step 5: Solve for x
    x = 5,013,041,581,819,855/81,656,693.89
  6. Step 6: Final answer
    x = 61,391,679.51

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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.