Home / 85,979,232,005.35-128,968,848,008.02-85,979,232,005.35

Finding the Fourth Proportional to 85,979,232,005.35, 128,968,848,008.02 and 85,979,232,005.35

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Solution

The fourth proportional to 85,979,232,005.35, 128,968,848,008.02 and 85,979,232,005.35 is: 128,968,848,008.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,979,232,005.35 : 128,968,848,008.02 = 85,979,232,005.35 : x
  2. Step 2: Convert to fraction form
    85,979,232,005.35/128,968,848,008.02 = 85,979,232,005.35/x
  3. Step 3: Cross multiply
    85,979,232,005.35x = 128,968,848,008.02 × 85,979,232,005.35
  4. Step 4: Simplify right side
    85,979,232,005.35x = 11,088,642,504,344,274,468,864
  5. Step 5: Solve for x
    x = 11,088,642,504,344,274,468,864/85,979,232,005.35
  6. Step 6: Final answer
    x = 128,968,848,008.02

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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.