Home / 115,036,946.52-158,754,903.71-68,034,311.58

Finding the Fourth Proportional to 115,036,946.52, 158,754,903.71 and 68,034,311.58

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Solution

The fourth proportional to 115,036,946.52, 158,754,903.71 and 68,034,311.58 is: 93,889,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,036,946.52 : 158,754,903.71 = 68,034,311.58 : x
  2. Step 2: Convert to fraction form
    115,036,946.52/158,754,903.71 = 68,034,311.58/x
  3. Step 3: Cross multiply
    115,036,946.52x = 158,754,903.71 × 68,034,311.58
  4. Step 4: Simplify right side
    115,036,946.52x = 10,800,780,583,221,202
  5. Step 5: Solve for x
    x = 10,800,780,583,221,202/115,036,946.52
  6. Step 6: Final answer
    x = 93,889,666.84

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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.