Home / 86,241,034,719.60-129,361,552,079.40-52,718,586,745.20

Finding the Fourth Proportional to 86,241,034,719.60, 129,361,552,079.40 and 52,718,586,745.20

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Solution

The fourth proportional to 86,241,034,719.60, 129,361,552,079.40 and 52,718,586,745.20 is: 79,077,880,117.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,241,034,719.60 : 129,361,552,079.40 = 52,718,586,745.20 : x
  2. Step 2: Convert to fraction form
    86,241,034,719.60/129,361,552,079.40 = 52,718,586,745.20/x
  3. Step 3: Cross multiply
    86,241,034,719.60x = 129,361,552,079.40 × 52,718,586,745.20
  4. Step 4: Simplify right side
    86,241,034,719.60x = 6,819,758,204,791,556,145,152
  5. Step 5: Solve for x
    x = 6,819,758,204,791,556,145,152/86,241,034,719.60
  6. Step 6: Final answer
    x = 79,077,880,117.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.