Home / 131,050,428.60-196,575,642.90-80,032,092.60

Finding the Fourth Proportional to 131,050,428.60, 196,575,642.90 and 80,032,092.60

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Solution

The fourth proportional to 131,050,428.60, 196,575,642.90 and 80,032,092.60 is: 120,048,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,050,428.60 : 196,575,642.90 = 80,032,092.60 : x
  2. Step 2: Convert to fraction form
    131,050,428.60/196,575,642.90 = 80,032,092.60/x
  3. Step 3: Cross multiply
    131,050,428.60x = 196,575,642.90 × 80,032,092.60
  4. Step 4: Simplify right side
    131,050,428.60x = 15,732,360,055,477,332
  5. Step 5: Solve for x
    x = 15,732,360,055,477,332/131,050,428.60
  6. Step 6: Final answer
    x = 120,048,138.90

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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.