Home / 130,931,011.98-196,383,765.47-53,212,575.78

Finding the Fourth Proportional to 130,931,011.98, 196,383,765.47 and 53,212,575.78

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Solution

The fourth proportional to 130,931,011.98, 196,383,765.47 and 53,212,575.78 is: 79,813,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,931,011.98 : 196,383,765.47 = 53,212,575.78 : x
  2. Step 2: Convert to fraction form
    130,931,011.98/196,383,765.47 = 53,212,575.78/x
  3. Step 3: Cross multiply
    130,931,011.98x = 196,383,765.47 × 53,212,575.78
  4. Step 4: Simplify right side
    130,931,011.98x = 10,450,086,001,768,060
  5. Step 5: Solve for x
    x = 10,450,086,001,768,060/130,931,011.98
  6. Step 6: Final answer
    x = 79,813,680.84

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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.