Home / 94,677,440.40-142,016,160.60-77,657,331.60

Finding the Fourth Proportional to 94,677,440.40, 142,016,160.60 and 77,657,331.60

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Solution

The fourth proportional to 94,677,440.40, 142,016,160.60 and 77,657,331.60 is: 116,485,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,677,440.40 : 142,016,160.60 = 77,657,331.60 : x
  2. Step 2: Convert to fraction form
    94,677,440.40/142,016,160.60 = 77,657,331.60/x
  3. Step 3: Cross multiply
    94,677,440.40x = 142,016,160.60 × 77,657,331.60
  4. Step 4: Simplify right side
    94,677,440.40x = 11,028,596,076,273,054
  5. Step 5: Solve for x
    x = 11,028,596,076,273,054/94,677,440.40
  6. Step 6: Final answer
    x = 116,485,997.40

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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.