Home / 50,871,792.30-76,307,688.45-31,500,767.85

Finding the Fourth Proportional to 50,871,792.30, 76,307,688.45 and 31,500,767.85

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Solution

The fourth proportional to 50,871,792.30, 76,307,688.45 and 31,500,767.85 is: 47,251,151.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,871,792.30 : 76,307,688.45 = 31,500,767.85 : x
  2. Step 2: Convert to fraction form
    50,871,792.30/76,307,688.45 = 31,500,767.85/x
  3. Step 3: Cross multiply
    50,871,792.30x = 76,307,688.45 × 31,500,767.85
  4. Step 4: Simplify right side
    50,871,792.30x = 2,403,750,779,033,576.50
  5. Step 5: Solve for x
    x = 2,403,750,779,033,576.50/50,871,792.30
  6. Step 6: Final answer
    x = 47,251,151.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.