Home / 130,534,400.34-195,823,907.92-53,815,490.10

Finding the Fourth Proportional to 130,534,400.34, 195,823,907.92 and 53,815,490.10

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Solution

The fourth proportional to 130,534,400.34, 195,823,907.92 and 53,815,490.10 is: 80,732,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,534,400.34 : 195,823,907.92 = 53,815,490.10 : x
  2. Step 2: Convert to fraction form
    130,534,400.34/195,823,907.92 = 53,815,490.10/x
  3. Step 3: Cross multiply
    130,534,400.34x = 195,823,907.92 × 53,815,490.10
  4. Step 4: Simplify right side
    130,534,400.34x = 10,538,359,578,012,072
  5. Step 5: Solve for x
    x = 10,538,359,578,012,072/130,534,400.34
  6. Step 6: Final answer
    x = 80,732,431.84

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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.