Home / 241,021,423.82-328,159,869.63-240,256,148.78

Finding the Fourth Proportional to 241,021,423.82, 328,159,869.63 and 240,256,148.78

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Solution

The fourth proportional to 241,021,423.82, 328,159,869.63 and 240,256,148.78 is: 327,117,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,021,423.82 : 328,159,869.63 = 240,256,148.78 : x
  2. Step 2: Convert to fraction form
    241,021,423.82/328,159,869.63 = 240,256,148.78/x
  3. Step 3: Cross multiply
    241,021,423.82x = 328,159,869.63 × 240,256,148.78
  4. Step 4: Simplify right side
    241,021,423.82x = 78,842,426,459,809,888
  5. Step 5: Solve for x
    x = 78,842,426,459,809,888/241,021,423.82
  6. Step 6: Final answer
    x = 327,117,918.45

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.