Home / 108,368,783.68-149,549,013.03-58,809,154.54

Finding the Fourth Proportional to 108,368,783.68, 149,549,013.03 and 58,809,154.54

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Solution

The fourth proportional to 108,368,783.68, 149,549,013.03 and 58,809,154.54 is: 81,156,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,368,783.68 : 149,549,013.03 = 58,809,154.54 : x
  2. Step 2: Convert to fraction form
    108,368,783.68/149,549,013.03 = 58,809,154.54/x
  3. Step 3: Cross multiply
    108,368,783.68x = 149,549,013.03 × 58,809,154.54
  4. Step 4: Simplify right side
    108,368,783.68x = 8,794,851,018,585,744
  5. Step 5: Solve for x
    x = 8,794,851,018,585,744/108,368,783.68
  6. Step 6: Final answer
    x = 81,156,682.95

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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.