Home / 73,584,120.80-110,376,181.20-72,072,466.40

Finding the Fourth Proportional to 73,584,120.80, 110,376,181.20 and 72,072,466.40

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Solution

The fourth proportional to 73,584,120.80, 110,376,181.20 and 72,072,466.40 is: 108,108,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,584,120.80 : 110,376,181.20 = 72,072,466.40 : x
  2. Step 2: Convert to fraction form
    73,584,120.80/110,376,181.20 = 72,072,466.40/x
  3. Step 3: Cross multiply
    73,584,120.80x = 110,376,181.20 × 72,072,466.40
  4. Step 4: Simplify right side
    73,584,120.80x = 7,955,083,610,897,313
  5. Step 5: Solve for x
    x = 7,955,083,610,897,313/73,584,120.80
  6. Step 6: Final answer
    x = 108,108,699.60

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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.