Home / 86,239,182,186.09-129,243,142,983.01-67,117,882,193.37

Finding the Fourth Proportional to 86,239,182,186.09, 129,243,142,983.01 and 67,117,882,193.37

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Solution

The fourth proportional to 86,239,182,186.09, 129,243,142,983.01 and 67,117,882,193.37 is: 100,586,831,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239,182,186.09 : 129,243,142,983.01 = 67,117,882,193.37 : x
  2. Step 2: Convert to fraction form
    86,239,182,186.09/129,243,142,983.01 = 67,117,882,193.37/x
  3. Step 3: Cross multiply
    86,239,182,186.09x = 129,243,142,983.01 × 67,117,882,193.37
  4. Step 4: Simplify right side
    86,239,182,186.09x = 8,674,526,045,034,539,646,976
  5. Step 5: Solve for x
    x = 8,674,526,045,034,539,646,976/86,239,182,186.09
  6. Step 6: Final answer
    x = 100,586,831,010.48

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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.