Home / 71,272,616,085.70-98,364,642,163.92-42,336,920,315.84

Finding the Fourth Proportional to 71,272,616,085.70, 98,364,642,163.92 and 42,336,920,315.84

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Solution

The fourth proportional to 71,272,616,085.70, 98,364,642,163.92 and 42,336,920,315.84 is: 58,429,958,740.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272,616,085.70 : 98,364,642,163.92 = 42,336,920,315.84 : x
  2. Step 2: Convert to fraction form
    71,272,616,085.70/98,364,642,163.92 = 42,336,920,315.84/x
  3. Step 3: Cross multiply
    71,272,616,085.70x = 98,364,642,163.92 × 42,336,920,315.84
  4. Step 4: Simplify right side
    71,272,616,085.70x = 4,164,456,017,189,996,068,864
  5. Step 5: Solve for x
    x = 4,164,456,017,189,996,068,864/71,272,616,085.70
  6. Step 6: Final answer
    x = 58,429,958,740.15

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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.