Home / 127,467,057,722.71-175,919,964,653.38-72,547,584,346.21

Finding the Fourth Proportional to 127,467,057,722.71, 175,919,964,653.38 and 72,547,584,346.21

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Solution

The fourth proportional to 127,467,057,722.71, 175,919,964,653.38 and 72,547,584,346.21 is: 100,124,445,498.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,467,057,722.71 : 175,919,964,653.38 = 72,547,584,346.21 : x
  2. Step 2: Convert to fraction form
    127,467,057,722.71/175,919,964,653.38 = 72,547,584,346.21/x
  3. Step 3: Cross multiply
    127,467,057,722.71x = 175,919,964,653.38 × 72,547,584,346.21
  4. Step 4: Simplify right side
    127,467,057,722.71x = 12,762,568,473,873,720,803,328
  5. Step 5: Solve for x
    x = 12,762,568,473,873,720,803,328/127,467,057,722.71
  6. Step 6: Final answer
    x = 100,124,445,498.99

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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.