Home / 71,848,586.58-99,151,089.18-38,808,835.51

Finding the Fourth Proportional to 71,848,586.58, 99,151,089.18 and 38,808,835.51

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Solution

The fourth proportional to 71,848,586.58, 99,151,089.18 and 38,808,835.51 is: 53,556,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,848,586.58 : 99,151,089.18 = 38,808,835.51 : x
  2. Step 2: Convert to fraction form
    71,848,586.58/99,151,089.18 = 38,808,835.51/x
  3. Step 3: Cross multiply
    71,848,586.58x = 99,151,089.18 × 38,808,835.51
  4. Step 4: Simplify right side
    71,848,586.58x = 3,847,938,310,623,961
  5. Step 5: Solve for x
    x = 3,847,938,310,623,961/71,848,586.58
  6. Step 6: Final answer
    x = 53,556,214.45

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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.