Home / 71,272,616,084.45-98,364,642,162.19-42,336,920,314.59

Finding the Fourth Proportional to 71,272,616,084.45, 98,364,642,162.19 and 42,336,920,314.59

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Solution

The fourth proportional to 71,272,616,084.45, 98,364,642,162.19 and 42,336,920,314.59 is: 58,429,958,738.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,272,616,084.45 : 98,364,642,162.19 = 42,336,920,314.59 : x
  2. Step 2: Convert to fraction form
    71,272,616,084.45/98,364,642,162.19 = 42,336,920,314.59/x
  3. Step 3: Cross multiply
    71,272,616,084.45x = 98,364,642,162.19 × 42,336,920,314.59
  4. Step 4: Simplify right side
    71,272,616,084.45x = 4,164,456,016,993,713,127,424
  5. Step 5: Solve for x
    x = 4,164,456,016,993,713,127,424/71,272,616,084.45
  6. Step 6: Final answer
    x = 58,429,958,738.42

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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.