Home / 76,636,053.60-114,954,080.40-68,321,954.40

Finding the Fourth Proportional to 76,636,053.60, 114,954,080.40 and 68,321,954.40

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Solution

The fourth proportional to 76,636,053.60, 114,954,080.40 and 68,321,954.40 is: 102,482,931.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,636,053.60 : 114,954,080.40 = 68,321,954.40 : x
  2. Step 2: Convert to fraction form
    76,636,053.60/114,954,080.40 = 68,321,954.40/x
  3. Step 3: Cross multiply
    76,636,053.60x = 114,954,080.40 × 68,321,954.40
  4. Step 4: Simplify right side
    76,636,053.60x = 7,853,887,439,182,735
  5. Step 5: Solve for x
    x = 7,853,887,439,182,735/76,636,053.60
  6. Step 6: Final answer
    x = 102,482,931.60

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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.