Home / 217,085,185,811.22-325,615,994,637.70-65,979,705,984.50

Finding the Fourth Proportional to 217,085,185,811.22, 325,615,994,637.70 and 65,979,705,984.50

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Solution

The fourth proportional to 217,085,185,811.22, 325,615,994,637.70 and 65,979,705,984.50 is: 98,965,977,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,085,185,811.22 : 325,615,994,637.70 = 65,979,705,984.50 : x
  2. Step 2: Convert to fraction form
    217,085,185,811.22/325,615,994,637.70 = 65,979,705,984.50/x
  3. Step 3: Cross multiply
    217,085,185,811.22x = 325,615,994,637.70 × 65,979,705,984.50
  4. Step 4: Simplify right side
    217,085,185,811.22x = 21,484,047,590,045,977,149,440
  5. Step 5: Solve for x
    x = 21,484,047,590,045,977,149,440/217,085,185,811.22
  6. Step 6: Final answer
    x = 98,965,977,387.00

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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.