Home / 86,330,133.90-129,263,152.29-65,761,872.52

Finding the Fourth Proportional to 86,330,133.90, 129,263,152.29 and 65,761,872.52

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Solution

The fourth proportional to 86,330,133.90, 129,263,152.29 and 65,761,872.52 is: 98,466,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,330,133.90 : 129,263,152.29 = 65,761,872.52 : x
  2. Step 2: Convert to fraction form
    86,330,133.90/129,263,152.29 = 65,761,872.52/x
  3. Step 3: Cross multiply
    86,330,133.90x = 129,263,152.29 × 65,761,872.52
  4. Step 4: Simplify right side
    86,330,133.90x = 8,500,586,942,100,929
  5. Step 5: Solve for x
    x = 8,500,586,942,100,929/86,330,133.90
  6. Step 6: Final answer
    x = 98,466,046.08

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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.