Home / 107,456,010.60-161,184,015.90-77,446,871.40

Finding the Fourth Proportional to 107,456,010.60, 161,184,015.90 and 77,446,871.40

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Solution

The fourth proportional to 107,456,010.60, 161,184,015.90 and 77,446,871.40 is: 116,170,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,456,010.60 : 161,184,015.90 = 77,446,871.40 : x
  2. Step 2: Convert to fraction form
    107,456,010.60/161,184,015.90 = 77,446,871.40/x
  3. Step 3: Cross multiply
    107,456,010.60x = 161,184,015.90 × 77,446,871.40
  4. Step 4: Simplify right side
    107,456,010.60x = 12,483,197,751,142,856
  5. Step 5: Solve for x
    x = 12,483,197,751,142,856/107,456,010.60
  6. Step 6: Final answer
    x = 116,170,307.10

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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.