Home / 127,182,058,304.94-190,829,423,818.98-66,661,952,972.58

Finding the Fourth Proportional to 127,182,058,304.94, 190,829,423,818.98 and 66,661,952,972.58

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Solution

The fourth proportional to 127,182,058,304.94, 190,829,423,818.98 and 66,661,952,972.58 is: 100,022,457,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,182,058,304.94 : 190,829,423,818.98 = 66,661,952,972.58 : x
  2. Step 2: Convert to fraction form
    127,182,058,304.94/190,829,423,818.98 = 66,661,952,972.58/x
  3. Step 3: Cross multiply
    127,182,058,304.94x = 190,829,423,818.98 × 66,661,952,972.58
  4. Step 4: Simplify right side
    127,182,058,304.94x = 12,721,062,076,405,384,216,576
  5. Step 5: Solve for x
    x = 12,721,062,076,405,384,216,576/127,182,058,304.94
  6. Step 6: Final answer
    x = 100,022,457,931.17

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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.