Home / 81,429,158.64-112,370,979.48-44,758,941.68

Finding the Fourth Proportional to 81,429,158.64, 112,370,979.48 and 44,758,941.68

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Solution

The fourth proportional to 81,429,158.64, 112,370,979.48 and 44,758,941.68 is: 61,766,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,429,158.64 : 112,370,979.48 = 44,758,941.68 : x
  2. Step 2: Convert to fraction form
    81,429,158.64/112,370,979.48 = 44,758,941.68/x
  3. Step 3: Cross multiply
    81,429,158.64x = 112,370,979.48 × 44,758,941.68
  4. Step 4: Simplify right side
    81,429,158.64x = 5,029,606,117,069,797
  5. Step 5: Solve for x
    x = 5,029,606,117,069,797/81,429,158.64
  6. Step 6: Final answer
    x = 61,766,647.24

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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.