Home / 108,461,853.10-149,723,162.93-73,227,390.64

Finding the Fourth Proportional to 108,461,853.10, 149,723,162.93 and 73,227,390.64

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Solution

The fourth proportional to 108,461,853.10, 149,723,162.93 and 73,227,390.64 is: 101,084,724.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,461,853.10 : 149,723,162.93 = 73,227,390.64 : x
  2. Step 2: Convert to fraction form
    108,461,853.10/149,723,162.93 = 73,227,390.64/x
  3. Step 3: Cross multiply
    108,461,853.10x = 149,723,162.93 × 73,227,390.64
  4. Step 4: Simplify right side
    108,461,853.10x = 10,963,836,539,731,478
  5. Step 5: Solve for x
    x = 10,963,836,539,731,478/108,461,853.10
  6. Step 6: Final answer
    x = 101,084,724.50

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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.