Home / 86,407,356.51-129,611,166-35,289,375.32

Finding the Fourth Proportional to 86,407,356.51, 129,611,166 and 35,289,375.32

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Solution

The fourth proportional to 86,407,356.51, 129,611,166 and 35,289,375.32 is: 52,934,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,356.51 : 129,611,166 = 35,289,375.32 : x
  2. Step 2: Convert to fraction form
    86,407,356.51/129,611,166 = 35,289,375.32/x
  3. Step 3: Cross multiply
    86,407,356.51x = 129,611,166 × 35,289,375.32
  4. Step 4: Simplify right side
    86,407,356.51x = 4,573,897,082,636,823
  5. Step 5: Solve for x
    x = 4,573,897,082,636,823/86,407,356.51
  6. Step 6: Final answer
    x = 52,934,116.58

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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.