Home / 154,815,690.36-232,168,203.54-51,165,712.20

Finding the Fourth Proportional to 154,815,690.36, 232,168,203.54 and 51,165,712.20

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Solution

The fourth proportional to 154,815,690.36, 232,168,203.54 and 51,165,712.20 is: 76,730,281.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,815,690.36 : 232,168,203.54 = 51,165,712.20 : x
  2. Step 2: Convert to fraction form
    154,815,690.36/232,168,203.54 = 51,165,712.20/x
  3. Step 3: Cross multiply
    154,815,690.36x = 232,168,203.54 × 51,165,712.20
  4. Step 4: Simplify right side
    154,815,690.36x = 11,879,051,484,318,662
  5. Step 5: Solve for x
    x = 11,879,051,484,318,662/154,815,690.36
  6. Step 6: Final answer
    x = 76,730,281.39

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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.