Home / 113,918,946.39-157,208,900.87-61,707,982.03

Finding the Fourth Proportional to 113,918,946.39, 157,208,900.87 and 61,707,982.03

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Solution

The fourth proportional to 113,918,946.39, 157,208,900.87 and 61,707,982.03 is: 85,157,424.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,946.39 : 157,208,900.87 = 61,707,982.03 : x
  2. Step 2: Convert to fraction form
    113,918,946.39/157,208,900.87 = 61,707,982.03/x
  3. Step 3: Cross multiply
    113,918,946.39x = 157,208,900.87 × 61,707,982.03
  4. Step 4: Simplify right side
    113,918,946.39x = 9,701,044,029,603,260
  5. Step 5: Solve for x
    x = 9,701,044,029,603,260/113,918,946.39
  6. Step 6: Final answer
    x = 85,157,424.09

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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.