Home / 45,407,807.12-68,132,968.32-19,845,495.02

Finding the Fourth Proportional to 45,407,807.12, 68,132,968.32 and 19,845,495.02

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Solution

The fourth proportional to 45,407,807.12, 68,132,968.32 and 19,845,495.02 is: 29,777,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,407,807.12 : 68,132,968.32 = 19,845,495.02 : x
  2. Step 2: Convert to fraction form
    45,407,807.12/68,132,968.32 = 19,845,495.02/x
  3. Step 3: Cross multiply
    45,407,807.12x = 68,132,968.32 × 19,845,495.02
  4. Step 4: Simplify right side
    45,407,807.12x = 1,352,132,483,492,377.50
  5. Step 5: Solve for x
    x = 1,352,132,483,492,377.50/45,407,807.12
  6. Step 6: Final answer
    x = 29,777,533.19

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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.