Home / 93,418,929.60-140,128,394.40-88,128,139.20

Finding the Fourth Proportional to 93,418,929.60, 140,128,394.40 and 88,128,139.20

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Solution

The fourth proportional to 93,418,929.60, 140,128,394.40 and 88,128,139.20 is: 132,192,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,418,929.60 : 140,128,394.40 = 88,128,139.20 : x
  2. Step 2: Convert to fraction form
    93,418,929.60/140,128,394.40 = 88,128,139.20/x
  3. Step 3: Cross multiply
    93,418,929.60x = 140,128,394.40 × 88,128,139.20
  4. Step 4: Simplify right side
    93,418,929.60x = 12,349,254,647,555,702
  5. Step 5: Solve for x
    x = 12,349,254,647,555,702/93,418,929.60
  6. Step 6: Final answer
    x = 132,192,208.80

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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.