Home / 116,954,272.48-161,398,172.64-64,744,180

Finding the Fourth Proportional to 116,954,272.48, 161,398,172.64 and 64,744,180

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Solution

The fourth proportional to 116,954,272.48, 161,398,172.64 and 64,744,180 is: 89,347,675.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,954,272.48 : 161,398,172.64 = 64,744,180 : x
  2. Step 2: Convert to fraction form
    116,954,272.48/161,398,172.64 = 64,744,180/x
  3. Step 3: Cross multiply
    116,954,272.48x = 161,398,172.64 × 64,744,180
  4. Step 4: Simplify right side
    116,954,272.48x = 10,449,592,341,075,234
  5. Step 5: Solve for x
    x = 10,449,592,341,075,234/116,954,272.48
  6. Step 6: Final answer
    x = 89,347,675.12

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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.