Home / 82,477,343.59-113,816,748.95-45,807,943.75

Finding the Fourth Proportional to 82,477,343.59, 113,816,748.95 and 45,807,943.75

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Solution

The fourth proportional to 82,477,343.59, 113,816,748.95 and 45,807,943.75 is: 63,213,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,477,343.59 : 113,816,748.95 = 45,807,943.75 : x
  2. Step 2: Convert to fraction form
    82,477,343.59/113,816,748.95 = 45,807,943.75/x
  3. Step 3: Cross multiply
    82,477,343.59x = 113,816,748.95 × 45,807,943.75
  4. Step 4: Simplify right side
    82,477,343.59x = 5,213,711,233,480,432
  5. Step 5: Solve for x
    x = 5,213,711,233,480,432/82,477,343.59
  6. Step 6: Final answer
    x = 63,213,859.79

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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.