Home / 119,581,954.90-165,023,096.79-64,577,806.54

Finding the Fourth Proportional to 119,581,954.90, 165,023,096.79 and 64,577,806.54

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Solution

The fourth proportional to 119,581,954.90, 165,023,096.79 and 64,577,806.54 is: 89,117,372.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581,954.90 : 165,023,096.79 = 64,577,806.54 : x
  2. Step 2: Convert to fraction form
    119,581,954.90/165,023,096.79 = 64,577,806.54/x
  3. Step 3: Cross multiply
    119,581,954.90x = 165,023,096.79 × 64,577,806.54
  4. Step 4: Simplify right side
    119,581,954.90x = 10,656,829,619,136,314
  5. Step 5: Solve for x
    x = 10,656,829,619,136,314/119,581,954.90
  6. Step 6: Final answer
    x = 89,117,372.50

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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.