Home / 56,645,900.10-84,968,850.15-18,334,908.90

Finding the Fourth Proportional to 56,645,900.10, 84,968,850.15 and 18,334,908.90

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Solution

The fourth proportional to 56,645,900.10, 84,968,850.15 and 18,334,908.90 is: 27,502,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,645,900.10 : 84,968,850.15 = 18,334,908.90 : x
  2. Step 2: Convert to fraction form
    56,645,900.10/84,968,850.15 = 18,334,908.90/x
  3. Step 3: Cross multiply
    56,645,900.10x = 84,968,850.15 × 18,334,908.90
  4. Step 4: Simplify right side
    56,645,900.10x = 1,557,896,126,838,001.25
  5. Step 5: Solve for x
    x = 1,557,896,126,838,001.25/56,645,900.10
  6. Step 6: Final answer
    x = 27,502,363.35

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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.