Home / 113,910,777.93-157,196,878.80-61,699,813.51

Finding the Fourth Proportional to 113,910,777.93, 157,196,878.80 and 61,699,813.51

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Solution

The fourth proportional to 113,910,777.93, 157,196,878.80 and 61,699,813.51 is: 85,145,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910,777.93 : 157,196,878.80 = 61,699,813.51 : x
  2. Step 2: Convert to fraction form
    113,910,777.93/157,196,878.80 = 61,699,813.51/x
  3. Step 3: Cross multiply
    113,910,777.93x = 157,196,878.80 × 61,699,813.51
  4. Step 4: Simplify right side
    113,910,777.93x = 9,699,018,106,314,072
  5. Step 5: Solve for x
    x = 9,699,018,106,314,072/113,910,777.93
  6. Step 6: Final answer
    x = 85,145,745.49

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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.