Home / 126,626,528,953.54-174,744,609,955.87-72,433,077,588.91

Finding the Fourth Proportional to 126,626,528,953.54, 174,744,609,955.87 and 72,433,077,588.91

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Solution

The fourth proportional to 126,626,528,953.54, 174,744,609,955.87 and 72,433,077,588.91 is: 99,957,647,072.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,626,528,953.54 : 174,744,609,955.87 = 72,433,077,588.91 : x
  2. Step 2: Convert to fraction form
    126,626,528,953.54/174,744,609,955.87 = 72,433,077,588.91/x
  3. Step 3: Cross multiply
    126,626,528,953.54x = 174,744,609,955.87 × 72,433,077,588.91
  4. Step 4: Simplify right side
    126,626,528,953.54x = 12,657,289,891,177,346,105,344
  5. Step 5: Solve for x
    x = 12,657,289,891,177,346,105,344/126,626,528,953.54
  6. Step 6: Final answer
    x = 99,957,647,072.69

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1.5x scale

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.