Home / 129,361,552,011.40-194,042,328,017.10-79,077,880,049.80

Finding the Fourth Proportional to 129,361,552,011.40, 194,042,328,017.10 and 79,077,880,049.80

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Solution

The fourth proportional to 129,361,552,011.40, 194,042,328,017.10 and 79,077,880,049.80 is: 118,616,820,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,361,552,011.40 : 194,042,328,017.10 = 79,077,880,049.80 : x
  2. Step 2: Convert to fraction form
    129,361,552,011.40/194,042,328,017.10 = 79,077,880,049.80/x
  3. Step 3: Cross multiply
    129,361,552,011.40x = 194,042,328,017.10 × 79,077,880,049.80
  4. Step 4: Simplify right side
    129,361,552,011.40x = 15,344,455,939,520,179,732,480
  5. Step 5: Solve for x
    x = 15,344,455,939,520,179,732,480/129,361,552,011.40
  6. Step 6: Final answer
    x = 118,616,820,074.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.