Home / 99,315,539.37-148,973,391.14-47,487,947.76

Finding the Fourth Proportional to 99,315,539.37, 148,973,391.14 and 47,487,947.76

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Solution

The fourth proportional to 99,315,539.37, 148,973,391.14 and 47,487,947.76 is: 71,231,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,315,539.37 : 148,973,391.14 = 47,487,947.76 : x
  2. Step 2: Convert to fraction form
    99,315,539.37/148,973,391.14 = 47,487,947.76/x
  3. Step 3: Cross multiply
    99,315,539.37x = 148,973,391.14 × 47,487,947.76
  4. Step 4: Simplify right side
    99,315,539.37x = 7,074,440,615,848,926
  5. Step 5: Solve for x
    x = 7,074,440,615,848,926/99,315,539.37
  6. Step 6: Final answer
    x = 71,231,960.89

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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.