Home / 154,426,721.97-231,639,897.06-39,411,276.60

Finding the Fourth Proportional to 154,426,721.97, 231,639,897.06 and 39,411,276.60

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Solution

The fourth proportional to 154,426,721.97, 231,639,897.06 and 39,411,276.60 is: 59,116,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,426,721.97 : 231,639,897.06 = 39,411,276.60 : x
  2. Step 2: Convert to fraction form
    154,426,721.97/231,639,897.06 = 39,411,276.60/x
  3. Step 3: Cross multiply
    154,426,721.97x = 231,639,897.06 × 39,411,276.60
  4. Step 4: Simplify right side
    154,426,721.97x = 9,129,224,054,627,188
  5. Step 5: Solve for x
    x = 9,129,224,054,627,188/154,426,721.97
  6. Step 6: Final answer
    x = 59,116,867.46

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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.