Home / 79,034,037.77-109,068,263.54-43,269,881.94

Finding the Fourth Proportional to 79,034,037.77, 109,068,263.54 and 43,269,881.94

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Solution

The fourth proportional to 79,034,037.77, 109,068,263.54 and 43,269,881.94 is: 59,713,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,034,037.77 : 109,068,263.54 = 43,269,881.94 : x
  2. Step 2: Convert to fraction form
    79,034,037.77/109,068,263.54 = 43,269,881.94/x
  3. Step 3: Cross multiply
    79,034,037.77x = 109,068,263.54 × 43,269,881.94
  4. Step 4: Simplify right side
    79,034,037.77x = 4,719,370,886,776,606
  5. Step 5: Solve for x
    x = 4,719,370,886,776,606/79,034,037.77
  6. Step 6: Final answer
    x = 59,713,144.11

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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.