Home / 108,109,877.78-149,190,891.95-58,549,111.67

Finding the Fourth Proportional to 108,109,877.78, 149,190,891.95 and 58,549,111.67

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Solution

The fourth proportional to 108,109,877.78, 149,190,891.95 and 58,549,111.67 is: 80,797,373.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109,877.78 : 149,190,891.95 = 58,549,111.67 : x
  2. Step 2: Convert to fraction form
    108,109,877.78/149,190,891.95 = 58,549,111.67/x
  3. Step 3: Cross multiply
    108,109,877.78x = 149,190,891.95 × 58,549,111.67
  4. Step 4: Simplify right side
    108,109,877.78x = 8,734,994,193,446,803
  5. Step 5: Solve for x
    x = 8,734,994,193,446,803/108,109,877.78
  6. Step 6: Final answer
    x = 80,797,373.68

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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.