Home / 67,871,395-93,661,737.78-36,931,031.20

Finding the Fourth Proportional to 67,871,395, 93,661,737.78 and 36,931,031.20

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Solution

The fourth proportional to 67,871,395, 93,661,737.78 and 36,931,031.20 is: 50,964,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,871,395 : 93,661,737.78 = 36,931,031.20 : x
  2. Step 2: Convert to fraction form
    67,871,395/93,661,737.78 = 36,931,031.20/x
  3. Step 3: Cross multiply
    67,871,395x = 93,661,737.78 × 36,931,031.20
  4. Step 4: Simplify right side
    67,871,395x = 3,459,024,560,199,399
  5. Step 5: Solve for x
    x = 3,459,024,560,199,399/67,871,395
  6. Step 6: Final answer
    x = 50,964,394.65

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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.