Home / 117,143,298.68-161,665,533.54-64,934,534.84

Finding the Fourth Proportional to 117,143,298.68, 161,665,533.54 and 64,934,534.84

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Solution

The fourth proportional to 117,143,298.68, 161,665,533.54 and 64,934,534.84 is: 89,613,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,143,298.68 : 161,665,533.54 = 64,934,534.84 : x
  2. Step 2: Convert to fraction form
    117,143,298.68/161,665,533.54 = 64,934,534.84/x
  3. Step 3: Cross multiply
    117,143,298.68x = 161,665,533.54 × 64,934,534.84
  4. Step 4: Simplify right side
    117,143,298.68x = 10,497,676,220,080,318
  5. Step 5: Solve for x
    x = 10,497,676,220,080,318/117,143,298.68
  6. Step 6: Final answer
    x = 89,613,971.42

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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.