Home / 102,455,013.70-141,391,291.26-56,044,205.56

Finding the Fourth Proportional to 102,455,013.70, 141,391,291.26 and 56,044,205.56

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Solution

The fourth proportional to 102,455,013.70, 141,391,291.26 and 56,044,205.56 is: 77,342,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,455,013.70 : 141,391,291.26 = 56,044,205.56 : x
  2. Step 2: Convert to fraction form
    102,455,013.70/141,391,291.26 = 56,044,205.56/x
  3. Step 3: Cross multiply
    102,455,013.70x = 141,391,291.26 × 56,044,205.56
  4. Step 4: Simplify right side
    102,455,013.70x = 7,924,162,591,769,271
  5. Step 5: Solve for x
    x = 7,924,162,591,769,271/102,455,013.70
  6. Step 6: Final answer
    x = 77,342,848.39

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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.