Home / 93,168,086.40-139,752,129.60-85,105,929.60

Finding the Fourth Proportional to 93,168,086.40, 139,752,129.60 and 85,105,929.60

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Solution

The fourth proportional to 93,168,086.40, 139,752,129.60 and 85,105,929.60 is: 127,658,894.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,168,086.40 : 139,752,129.60 = 85,105,929.60 : x
  2. Step 2: Convert to fraction form
    93,168,086.40/139,752,129.60 = 85,105,929.60/x
  3. Step 3: Cross multiply
    93,168,086.40x = 139,752,129.60 × 85,105,929.60
  4. Step 4: Simplify right side
    93,168,086.40x = 11,893,734,903,187,674
  5. Step 5: Solve for x
    x = 11,893,734,903,187,674/93,168,086.40
  6. Step 6: Final answer
    x = 127,658,894.40

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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.