Home / 89,154,010.60-133,731,015.90-74,805,103.60

Finding the Fourth Proportional to 89,154,010.60, 133,731,015.90 and 74,805,103.60

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Solution

The fourth proportional to 89,154,010.60, 133,731,015.90 and 74,805,103.60 is: 112,207,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154,010.60 : 133,731,015.90 = 74,805,103.60 : x
  2. Step 2: Convert to fraction form
    89,154,010.60/133,731,015.90 = 74,805,103.60/x
  3. Step 3: Cross multiply
    89,154,010.60x = 133,731,015.90 × 74,805,103.60
  4. Step 4: Simplify right side
    89,154,010.60x = 10,003,762,498,932,746
  5. Step 5: Solve for x
    x = 10,003,762,498,932,746/89,154,010.60
  6. Step 6: Final answer
    x = 112,207,655.40

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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.