Home / 117,325,820.40-176,009,725.80-49,175,401.20

Finding the Fourth Proportional to 117,325,820.40, 176,009,725.80 and 49,175,401.20

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Solution

The fourth proportional to 117,325,820.40, 176,009,725.80 and 49,175,401.20 is: 73,771,901.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325,820.40 : 176,009,725.80 = 49,175,401.20 : x
  2. Step 2: Convert to fraction form
    117,325,820.40/176,009,725.80 = 49,175,401.20/x
  3. Step 3: Cross multiply
    117,325,820.40x = 176,009,725.80 × 49,175,401.20
  4. Step 4: Simplify right side
    117,325,820.40x = 8,655,348,881,316,992
  5. Step 5: Solve for x
    x = 8,655,348,881,316,992/117,325,820.40
  6. Step 6: Final answer
    x = 73,771,901.63

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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.