Home / 108,219,290.61-149,338,620.08-58,658,600.22

Finding the Fourth Proportional to 108,219,290.61, 149,338,620.08 and 58,658,600.22

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Solution

The fourth proportional to 108,219,290.61, 149,338,620.08 and 58,658,600.22 is: 80,946,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,219,290.61 : 149,338,620.08 = 58,658,600.22 : x
  2. Step 2: Convert to fraction form
    108,219,290.61/149,338,620.08 = 58,658,600.22/x
  3. Step 3: Cross multiply
    108,219,290.61x = 149,338,620.08 × 58,658,600.22
  4. Step 4: Simplify right side
    108,219,290.61x = 8,759,994,413,141,429
  5. Step 5: Solve for x
    x = 8,759,994,413,141,429/108,219,290.61
  6. Step 6: Final answer
    x = 80,946,699.65

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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.