Home / 120,004,717.50-165,606,515.82-65,000,574

Finding the Fourth Proportional to 120,004,717.50, 165,606,515.82 and 65,000,574

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Solution

The fourth proportional to 120,004,717.50, 165,606,515.82 and 65,000,574 is: 89,700,795.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,004,717.50 : 165,606,515.82 = 65,000,574 : x
  2. Step 2: Convert to fraction form
    120,004,717.50/165,606,515.82 = 65,000,574/x
  3. Step 3: Cross multiply
    120,004,717.50x = 165,606,515.82 × 65,000,574
  4. Step 4: Simplify right side
    120,004,717.50x = 10,764,518,586,440,080
  5. Step 5: Solve for x
    x = 10,764,518,586,440,080/120,004,717.50
  6. Step 6: Final answer
    x = 89,700,795.19

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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.