Home / 107,776,427.20-161,648,894.40-31,091,459.20

Finding the Fourth Proportional to 107,776,427.20, 161,648,894.40 and 31,091,459.20

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Solution

The fourth proportional to 107,776,427.20, 161,648,894.40 and 31,091,459.20 is: 46,632,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,776,427.20 : 161,648,894.40 = 31,091,459.20 : x
  2. Step 2: Convert to fraction form
    107,776,427.20/161,648,894.40 = 31,091,459.20/x
  3. Step 3: Cross multiply
    107,776,427.20x = 161,648,894.40 × 31,091,459.20
  4. Step 4: Simplify right side
    107,776,427.20x = 5,025,900,004,962,709
  5. Step 5: Solve for x
    x = 5,025,900,004,962,709/107,776,427.20
  6. Step 6: Final answer
    x = 46,632,646.26

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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.