Home / 93,030,105.96-128,379,280.32-51,213,831.66

Finding the Fourth Proportional to 93,030,105.96, 128,379,280.32 and 51,213,831.66

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Solution

The fourth proportional to 93,030,105.96, 128,379,280.32 and 51,213,831.66 is: 70,673,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030,105.96 : 128,379,280.32 = 51,213,831.66 : x
  2. Step 2: Convert to fraction form
    93,030,105.96/128,379,280.32 = 51,213,831.66/x
  3. Step 3: Cross multiply
    93,030,105.96x = 128,379,280.32 × 51,213,831.66
  4. Step 4: Simplify right side
    93,030,105.96x = 6,574,794,850,940,430
  5. Step 5: Solve for x
    x = 6,574,794,850,940,430/93,030,105.96
  6. Step 6: Final answer
    x = 70,673,840.29

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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.