Home / 129,894,165.70-179,252,520.63-70,353,980.67

Finding the Fourth Proportional to 129,894,165.70, 179,252,520.63 and 70,353,980.67

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Solution

The fourth proportional to 129,894,165.70, 179,252,520.63 and 70,353,980.67 is: 97,087,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,165.70 : 179,252,520.63 = 70,353,980.67 : x
  2. Step 2: Convert to fraction form
    129,894,165.70/179,252,520.63 = 70,353,980.67/x
  3. Step 3: Cross multiply
    129,894,165.70x = 179,252,520.63 × 70,353,980.67
  4. Step 4: Simplify right side
    129,894,165.70x = 12,611,128,370,555,534
  5. Step 5: Solve for x
    x = 12,611,128,370,555,534/129,894,165.70
  6. Step 6: Final answer
    x = 97,087,719.86

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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.