Home / 68,752,680,895.01-103,128,997,069.59-18,386,805,660.32

Finding the Fourth Proportional to 68,752,680,895.01, 103,128,997,069.59 and 18,386,805,660.32

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Solution

The fourth proportional to 68,752,680,895.01, 103,128,997,069.59 and 18,386,805,660.32 is: 27,580,201,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,752,680,895.01 : 103,128,997,069.59 = 18,386,805,660.32 : x
  2. Step 2: Convert to fraction form
    68,752,680,895.01/103,128,997,069.59 = 18,386,805,660.32/x
  3. Step 3: Cross multiply
    68,752,680,895.01x = 103,128,997,069.59 × 18,386,805,660.32
  4. Step 4: Simplify right side
    68,752,680,895.01x = 1,896,212,827,062,571,630,592
  5. Step 5: Solve for x
    x = 1,896,212,827,062,571,630,592/68,752,680,895.01
  6. Step 6: Final answer
    x = 27,580,201,999.08

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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.