Home / 118,194,312.25-163,106,448.27-65,273,259.15

Finding the Fourth Proportional to 118,194,312.25, 163,106,448.27 and 65,273,259.15

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Solution

The fourth proportional to 118,194,312.25, 163,106,448.27 and 65,273,259.15 is: 90,076,157.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,194,312.25 : 163,106,448.27 = 65,273,259.15 : x
  2. Step 2: Convert to fraction form
    118,194,312.25/163,106,448.27 = 65,273,259.15/x
  3. Step 3: Cross multiply
    118,194,312.25x = 163,106,448.27 × 65,273,259.15
  4. Step 4: Simplify right side
    118,194,312.25x = 10,646,489,466,963,780
  5. Step 5: Solve for x
    x = 10,646,489,466,963,780/118,194,312.25
  6. Step 6: Final answer
    x = 90,076,157.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.