Home / 69,871,781.16-96,423,440.40-40,520,516.04

Finding the Fourth Proportional to 69,871,781.16, 96,423,440.40 and 40,520,516.04

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Solution

The fourth proportional to 69,871,781.16, 96,423,440.40 and 40,520,516.04 is: 55,918,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,781.16 : 96,423,440.40 = 40,520,516.04 : x
  2. Step 2: Convert to fraction form
    69,871,781.16/96,423,440.40 = 40,520,516.04/x
  3. Step 3: Cross multiply
    69,871,781.16x = 96,423,440.40 × 40,520,516.04
  4. Step 4: Simplify right side
    69,871,781.16x = 3,907,127,563,360,184
  5. Step 5: Solve for x
    x = 3,907,127,563,360,184/69,871,781.16
  6. Step 6: Final answer
    x = 55,918,533.90

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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.