Home / 104,209,431.52-143,714,927.28-65,054,817.76

Finding the Fourth Proportional to 104,209,431.52, 143,714,927.28 and 65,054,817.76

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Solution

The fourth proportional to 104,209,431.52, 143,714,927.28 and 65,054,817.76 is: 89,716,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,209,431.52 : 143,714,927.28 = 65,054,817.76 : x
  2. Step 2: Convert to fraction form
    104,209,431.52/143,714,927.28 = 65,054,817.76/x
  3. Step 3: Cross multiply
    104,209,431.52x = 143,714,927.28 × 65,054,817.76
  4. Step 4: Simplify right side
    104,209,431.52x = 9,349,348,403,592,052
  5. Step 5: Solve for x
    x = 9,349,348,403,592,052/104,209,431.52
  6. Step 6: Final answer
    x = 89,716,912.06

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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.