Home / 65,457,738.54-90,417,905.64-48,518,357.94

Finding the Fourth Proportional to 65,457,738.54, 90,417,905.64 and 48,518,357.94

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Solution

The fourth proportional to 65,457,738.54, 90,417,905.64 and 48,518,357.94 is: 67,019,246.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,457,738.54 : 90,417,905.64 = 48,518,357.94 : x
  2. Step 2: Convert to fraction form
    65,457,738.54/90,417,905.64 = 48,518,357.94/x
  3. Step 3: Cross multiply
    65,457,738.54x = 90,417,905.64 × 48,518,357.94
  4. Step 4: Simplify right side
    65,457,738.54x = 4,386,928,310,026,664.50
  5. Step 5: Solve for x
    x = 4,386,928,310,026,664.50/65,457,738.54
  6. Step 6: Final answer
    x = 67,019,246.43

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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.