Home / 129,894,169.82-179,252,526.24-70,353,984.74

Finding the Fourth Proportional to 129,894,169.82, 179,252,526.24 and 70,353,984.74

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Solution

The fourth proportional to 129,894,169.82, 179,252,526.24 and 70,353,984.74 is: 97,087,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,894,169.82 : 179,252,526.24 = 70,353,984.74 : x
  2. Step 2: Convert to fraction form
    129,894,169.82/179,252,526.24 = 70,353,984.74/x
  3. Step 3: Cross multiply
    129,894,169.82x = 179,252,526.24 × 70,353,984.74
  4. Step 4: Simplify right side
    129,894,169.82x = 12,611,129,494,799,148
  5. Step 5: Solve for x
    x = 12,611,129,494,799,148/129,894,169.82
  6. Step 6: Final answer
    x = 97,087,725.44

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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.