Home / 66,517,643.70-99,776,465.55-43,824,165.30

Finding the Fourth Proportional to 66,517,643.70, 99,776,465.55 and 43,824,165.30

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Solution

The fourth proportional to 66,517,643.70, 99,776,465.55 and 43,824,165.30 is: 65,736,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,517,643.70 : 99,776,465.55 = 43,824,165.30 : x
  2. Step 2: Convert to fraction form
    66,517,643.70/99,776,465.55 = 43,824,165.30/x
  3. Step 3: Cross multiply
    66,517,643.70x = 99,776,465.55 × 43,824,165.30
  4. Step 4: Simplify right side
    66,517,643.70x = 4,372,620,319,312,955
  5. Step 5: Solve for x
    x = 4,372,620,319,312,955/66,517,643.70
  6. Step 6: Final answer
    x = 65,736,247.95

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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.