Home / 131,328,015.40-196,992,023.10-58,544,655.40

Finding the Fourth Proportional to 131,328,015.40, 196,992,023.10 and 58,544,655.40

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Solution

The fourth proportional to 131,328,015.40, 196,992,023.10 and 58,544,655.40 is: 87,816,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,328,015.40 : 196,992,023.10 = 58,544,655.40 : x
  2. Step 2: Convert to fraction form
    131,328,015.40/196,992,023.10 = 58,544,655.40/x
  3. Step 3: Cross multiply
    131,328,015.40x = 196,992,023.10 × 58,544,655.40
  4. Step 4: Simplify right side
    131,328,015.40x = 11,532,830,108,938,340
  5. Step 5: Solve for x
    x = 11,532,830,108,938,340/131,328,015.40
  6. Step 6: Final answer
    x = 87,816,983.10

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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.