Home / 69,871,750.81-96,423,398.53-40,520,485.71

Finding the Fourth Proportional to 69,871,750.81, 96,423,398.53 and 40,520,485.71

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Solution

The fourth proportional to 69,871,750.81, 96,423,398.53 and 40,520,485.71 is: 55,918,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,871,750.81 : 96,423,398.53 = 40,520,485.71 : x
  2. Step 2: Convert to fraction form
    69,871,750.81/96,423,398.53 = 40,520,485.71/x
  3. Step 3: Cross multiply
    69,871,750.81x = 96,423,398.53 × 40,520,485.71
  4. Step 4: Simplify right side
    69,871,750.81x = 3,907,122,942,143,199
  5. Step 5: Solve for x
    x = 3,907,122,942,143,199/69,871,750.81
  6. Step 6: Final answer
    x = 55,918,492.05

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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.