Home / 108,589,920.40-162,884,880.60-89,458,044.40

Finding the Fourth Proportional to 108,589,920.40, 162,884,880.60 and 89,458,044.40

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Solution

The fourth proportional to 108,589,920.40, 162,884,880.60 and 89,458,044.40 is: 134,187,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,589,920.40 : 162,884,880.60 = 89,458,044.40 : x
  2. Step 2: Convert to fraction form
    108,589,920.40/162,884,880.60 = 89,458,044.40/x
  3. Step 3: Cross multiply
    108,589,920.40x = 162,884,880.60 × 89,458,044.40
  4. Step 4: Simplify right side
    108,589,920.40x = 14,571,362,880,803,500
  5. Step 5: Solve for x
    x = 14,571,362,880,803,500/108,589,920.40
  6. Step 6: Final answer
    x = 134,187,066.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.