Home / 107,428,333.76-161,190,130.08-56,298,196.16

Finding the Fourth Proportional to 107,428,333.76, 161,190,130.08 and 56,298,196.16

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Solution

The fourth proportional to 107,428,333.76, 161,190,130.08 and 56,298,196.16 is: 84,472,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,333.76 : 161,190,130.08 = 56,298,196.16 : x
  2. Step 2: Convert to fraction form
    107,428,333.76/161,190,130.08 = 56,298,196.16/x
  3. Step 3: Cross multiply
    107,428,333.76x = 161,190,130.08 × 56,298,196.16
  4. Step 4: Simplify right side
    107,428,333.76x = 9,074,713,562,299,756
  5. Step 5: Solve for x
    x = 9,074,713,562,299,756/107,428,333.76
  6. Step 6: Final answer
    x = 84,472,254.62

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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.