Home / 117,936,010.40-176,904,015.60-74,995,577.60

Finding the Fourth Proportional to 117,936,010.40, 176,904,015.60 and 74,995,577.60

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Solution

The fourth proportional to 117,936,010.40, 176,904,015.60 and 74,995,577.60 is: 112,493,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,936,010.40 : 176,904,015.60 = 74,995,577.60 : x
  2. Step 2: Convert to fraction form
    117,936,010.40/176,904,015.60 = 74,995,577.60/x
  3. Step 3: Cross multiply
    117,936,010.40x = 176,904,015.60 × 74,995,577.60
  4. Step 4: Simplify right side
    117,936,010.40x = 13,267,018,829,681,410
  5. Step 5: Solve for x
    x = 13,267,018,829,681,410/117,936,010.40
  6. Step 6: Final answer
    x = 112,493,366.40

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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.