Home / 67,871,401-93,661,746.06-36,931,037.20

Finding the Fourth Proportional to 67,871,401, 93,661,746.06 and 36,931,037.20

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Solution

The fourth proportional to 67,871,401, 93,661,746.06 and 36,931,037.20 is: 50,964,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871,401 : 93,661,746.06 = 36,931,037.20 : x
  2. Step 2: Convert to fraction form
    67,871,401/93,661,746.06 = 36,931,037.20/x
  3. Step 3: Cross multiply
    67,871,401x = 93,661,746.06 × 36,931,037.20
  4. Step 4: Simplify right side
    67,871,401x = 3,459,025,427,958,814
  5. Step 5: Solve for x
    x = 3,459,025,427,958,814/67,871,401
  6. Step 6: Final answer
    x = 50,964,402.93

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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.