Home / 67,871,392-93,661,733.64-36,931,028.20

Finding the Fourth Proportional to 67,871,392, 93,661,733.64 and 36,931,028.20

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Solution

The fourth proportional to 67,871,392, 93,661,733.64 and 36,931,028.20 is: 50,964,390.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871,392 : 93,661,733.64 = 36,931,028.20 : x
  2. Step 2: Convert to fraction form
    67,871,392/93,661,733.64 = 36,931,028.20/x
  3. Step 3: Cross multiply
    67,871,392x = 93,661,733.64 × 36,931,028.20
  4. Step 4: Simplify right side
    67,871,392x = 3,459,024,126,319,729
  5. Step 5: Solve for x
    x = 3,459,024,126,319,729/67,871,392
  6. Step 6: Final answer
    x = 50,964,390.51

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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.