Home / 42,158,116.80-63,260,794.80-17,892,914.40

Finding the Fourth Proportional to 42,158,116.80, 63,260,794.80 and 17,892,914.40

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Solution

The fourth proportional to 42,158,116.80, 63,260,794.80 and 17,892,914.40 is: 26,849,396.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,158,116.80 : 63,260,794.80 = 17,892,914.40 : x
  2. Step 2: Convert to fraction form
    42,158,116.80/63,260,794.80 = 17,892,914.40/x
  3. Step 3: Cross multiply
    42,158,116.80x = 63,260,794.80 × 17,892,914.40
  4. Step 4: Simplify right side
    42,158,116.80x = 1,131,919,986,232,365
  5. Step 5: Solve for x
    x = 1,131,919,986,232,365/42,158,116.80
  6. Step 6: Final answer
    x = 26,849,396.32

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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.