Home / 108,620,689.20-163,119,990.60-57,602,353.20

Finding the Fourth Proportional to 108,620,689.20, 163,119,990.60 and 57,602,353.20

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Solution

The fourth proportional to 108,620,689.20, 163,119,990.60 and 57,602,353.20 is: 86,503,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,620,689.20 : 163,119,990.60 = 57,602,353.20 : x
  2. Step 2: Convert to fraction form
    108,620,689.20/163,119,990.60 = 57,602,353.20/x
  3. Step 3: Cross multiply
    108,620,689.20x = 163,119,990.60 × 57,602,353.20
  4. Step 4: Simplify right side
    108,620,689.20x = 9,396,095,312,521,880
  5. Step 5: Solve for x
    x = 9,396,095,312,521,880/108,620,689.20
  6. Step 6: Final answer
    x = 86,503,734.99

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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.