Home / 89,851,295.28-123,994,811.16-50,701,368.72

Finding the Fourth Proportional to 89,851,295.28, 123,994,811.16 and 50,701,368.72

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Solution

The fourth proportional to 89,851,295.28, 123,994,811.16 and 50,701,368.72 is: 69,967,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851,295.28 : 123,994,811.16 = 50,701,368.72 : x
  2. Step 2: Convert to fraction form
    89,851,295.28/123,994,811.16 = 50,701,368.72/x
  3. Step 3: Cross multiply
    89,851,295.28x = 123,994,811.16 × 50,701,368.72
  4. Step 4: Simplify right side
    89,851,295.28x = 6,286,706,639,989,931
  5. Step 5: Solve for x
    x = 6,286,706,639,989,931/89,851,295.28
  6. Step 6: Final answer
    x = 69,967,902.19

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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.