Home / 81,124,213.70-111,956,907.58-45,829,777.58

Finding the Fourth Proportional to 81,124,213.70, 111,956,907.58 and 45,829,777.58

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Solution

The fourth proportional to 81,124,213.70, 111,956,907.58 and 45,829,777.58 is: 63,248,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124,213.70 : 111,956,907.58 = 45,829,777.58 : x
  2. Step 2: Convert to fraction form
    81,124,213.70/111,956,907.58 = 45,829,777.58/x
  3. Step 3: Cross multiply
    81,124,213.70x = 111,956,907.58 × 45,829,777.58
  4. Step 4: Simplify right side
    81,124,213.70x = 5,130,960,172,261,657
  5. Step 5: Solve for x
    x = 5,130,960,172,261,657/81,124,213.70
  6. Step 6: Final answer
    x = 63,248,196.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.