Home / 116,996,537.28-161,455,119.84-64,785,570.24

Finding the Fourth Proportional to 116,996,537.28, 161,455,119.84 and 64,785,570.24

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Solution

The fourth proportional to 116,996,537.28, 161,455,119.84 and 64,785,570.24 is: 89,404,030.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,996,537.28 : 161,455,119.84 = 64,785,570.24 : x
  2. Step 2: Convert to fraction form
    116,996,537.28/161,455,119.84 = 64,785,570.24/x
  3. Step 3: Cross multiply
    116,996,537.28x = 161,455,119.84 × 64,785,570.24
  4. Step 4: Simplify right side
    116,996,537.28x = 10,459,962,007,001,938
  5. Step 5: Solve for x
    x = 10,459,962,007,001,938/116,996,537.28
  6. Step 6: Final answer
    x = 89,404,030.67

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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.