Home / 119,359,616,717.65-164,715,418,258.14-65,166,163,581.67

Finding the Fourth Proportional to 119,359,616,717.65, 164,715,418,258.14 and 65,166,163,581.67

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Solution

The fourth proportional to 119,359,616,717.65, 164,715,418,258.14 and 65,166,163,581.67 is: 89,928,840,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,359,616,717.65 : 164,715,418,258.14 = 65,166,163,581.67 : x
  2. Step 2: Convert to fraction form
    119,359,616,717.65/164,715,418,258.14 = 65,166,163,581.67/x
  3. Step 3: Cross multiply
    119,359,616,717.65x = 164,715,418,258.14 × 65,166,163,581.67
  4. Step 4: Simplify right side
    119,359,616,717.65x = 10,733,871,890,633,146,236,928
  5. Step 5: Solve for x
    x = 10,733,871,890,633,146,236,928/119,359,616,717.65
  6. Step 6: Final answer
    x = 89,928,840,137.15

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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.