Home / 65,828,303.37-90,808,617.46-40,702,380.84

Finding the Fourth Proportional to 65,828,303.37, 90,808,617.46 and 40,702,380.84

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Solution

The fourth proportional to 65,828,303.37, 90,808,617.46 and 40,702,380.84 is: 56,147,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,828,303.37 : 90,808,617.46 = 40,702,380.84 : x
  2. Step 2: Convert to fraction form
    65,828,303.37/90,808,617.46 = 40,702,380.84/x
  3. Step 3: Cross multiply
    65,828,303.37x = 90,808,617.46 × 40,702,380.84
  4. Step 4: Simplify right side
    65,828,303.37x = 3,696,126,931,512,940
  5. Step 5: Solve for x
    x = 3,696,126,931,512,940/65,828,303.37
  6. Step 6: Final answer
    x = 56,147,990.19

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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.