Home / 131,107,200.80-196,660,801.20-46,006,656.80

Finding the Fourth Proportional to 131,107,200.80, 196,660,801.20 and 46,006,656.80

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Solution

The fourth proportional to 131,107,200.80, 196,660,801.20 and 46,006,656.80 is: 69,009,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,107,200.80 : 196,660,801.20 = 46,006,656.80 : x
  2. Step 2: Convert to fraction form
    131,107,200.80/196,660,801.20 = 46,006,656.80/x
  3. Step 3: Cross multiply
    131,107,200.80x = 196,660,801.20 × 46,006,656.80
  4. Step 4: Simplify right side
    131,107,200.80x = 9,047,705,986,821,428
  5. Step 5: Solve for x
    x = 9,047,705,986,821,428/131,107,200.80
  6. Step 6: Final answer
    x = 69,009,985.20

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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.