Home / 139,260,851.18-192,184,297.40-76,535,807.85

Finding the Fourth Proportional to 139,260,851.18, 192,184,297.40 and 76,535,807.85

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Solution

The fourth proportional to 139,260,851.18, 192,184,297.40 and 76,535,807.85 is: 105,621,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,260,851.18 : 192,184,297.40 = 76,535,807.85 : x
  2. Step 2: Convert to fraction form
    139,260,851.18/192,184,297.40 = 76,535,807.85/x
  3. Step 3: Cross multiply
    139,260,851.18x = 192,184,297.40 × 76,535,807.85
  4. Step 4: Simplify right side
    139,260,851.18x = 14,708,980,457,354,862
  5. Step 5: Solve for x
    x = 14,708,980,457,354,862/139,260,851.18
  6. Step 6: Final answer
    x = 105,621,790.57

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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.