Home / 154,127,890.25-231,243,228.71-102,515,964.17

Finding the Fourth Proportional to 154,127,890.25, 231,243,228.71 and 102,515,964.17

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Solution

The fourth proportional to 154,127,890.25, 231,243,228.71 and 102,515,964.17 is: 153,808,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,127,890.25 : 231,243,228.71 = 102,515,964.17 : x
  2. Step 2: Convert to fraction form
    154,127,890.25/231,243,228.71 = 102,515,964.17/x
  3. Step 3: Cross multiply
    154,127,890.25x = 231,243,228.71 × 102,515,964.17
  4. Step 4: Simplify right side
    154,127,890.25x = 23,706,122,547,320,684
  5. Step 5: Solve for x
    x = 23,706,122,547,320,684/154,127,890.25
  6. Step 6: Final answer
    x = 153,808,129.79

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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.