Home / 91,639,571,823.23-126,473,618,312.28-55,509,544,142.37

Finding the Fourth Proportional to 91,639,571,823.23, 126,473,618,312.28 and 55,509,544,142.37

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Solution

The fourth proportional to 91,639,571,823.23, 126,473,618,312.28 and 55,509,544,142.37 is: 76,609,839,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,639,571,823.23 : 126,473,618,312.28 = 55,509,544,142.37 : x
  2. Step 2: Convert to fraction form
    91,639,571,823.23/126,473,618,312.28 = 55,509,544,142.37/x
  3. Step 3: Cross multiply
    91,639,571,823.23x = 126,473,618,312.28 × 55,509,544,142.37
  4. Step 4: Simplify right side
    91,639,571,823.23x = 7,020,492,898,550,761,390,080
  5. Step 5: Solve for x
    x = 7,020,492,898,550,761,390,080/91,639,571,823.23
  6. Step 6: Final answer
    x = 76,609,839,601.75

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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.