Home / 76,577,871.68-105,716,486.58-59,135,059.52

Finding the Fourth Proportional to 76,577,871.68, 105,716,486.58 and 59,135,059.52

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Solution

The fourth proportional to 76,577,871.68, 105,716,486.58 and 59,135,059.52 is: 81,636,517.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,577,871.68 : 105,716,486.58 = 59,135,059.52 : x
  2. Step 2: Convert to fraction form
    76,577,871.68/105,716,486.58 = 59,135,059.52/x
  3. Step 3: Cross multiply
    76,577,871.68x = 105,716,486.58 × 59,135,059.52
  4. Step 4: Simplify right side
    76,577,871.68x = 6,251,550,726,153,581
  5. Step 5: Solve for x
    x = 6,251,550,726,153,581/76,577,871.68
  6. Step 6: Final answer
    x = 81,636,517.04

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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.