Home / 107,456,009.60-161,184,014.40-77,446,870.40

Finding the Fourth Proportional to 107,456,009.60, 161,184,014.40 and 77,446,870.40

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Solution

The fourth proportional to 107,456,009.60, 161,184,014.40 and 77,446,870.40 is: 116,170,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,456,009.60 : 161,184,014.40 = 77,446,870.40 : x
  2. Step 2: Convert to fraction form
    107,456,009.60/161,184,014.40 = 77,446,870.40/x
  3. Step 3: Cross multiply
    107,456,009.60x = 161,184,014.40 × 77,446,870.40
  4. Step 4: Simplify right side
    107,456,009.60x = 12,483,197,473,788,536
  5. Step 5: Solve for x
    x = 12,483,197,473,788,536/107,456,009.60
  6. Step 6: Final answer
    x = 116,170,305.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.