Home / 102,185,007.80-153,277,511.70-65,905,302.20

Finding the Fourth Proportional to 102,185,007.80, 153,277,511.70 and 65,905,302.20

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Solution

The fourth proportional to 102,185,007.80, 153,277,511.70 and 65,905,302.20 is: 98,857,953.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,185,007.80 : 153,277,511.70 = 65,905,302.20 : x
  2. Step 2: Convert to fraction form
    102,185,007.80/153,277,511.70 = 65,905,302.20/x
  3. Step 3: Cross multiply
    102,185,007.80x = 153,277,511.70 × 65,905,302.20
  4. Step 4: Simplify right side
    102,185,007.80x = 10,101,800,729,052,536
  5. Step 5: Solve for x
    x = 10,101,800,729,052,536/102,185,007.80
  6. Step 6: Final answer
    x = 98,857,953.30

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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.