Home / 103,959,415.30-155,771,161.35-65,552,196.10

Finding the Fourth Proportional to 103,959,415.30, 155,771,161.35 and 65,552,196.10

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Solution

The fourth proportional to 103,959,415.30, 155,771,161.35 and 65,552,196.10 is: 98,222,385.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,959,415.30 : 155,771,161.35 = 65,552,196.10 : x
  2. Step 2: Convert to fraction form
    103,959,415.30/155,771,161.35 = 65,552,196.10/x
  3. Step 3: Cross multiply
    103,959,415.30x = 155,771,161.35 × 65,552,196.10
  4. Step 4: Simplify right side
    103,959,415.30x = 10,211,141,715,539,940
  5. Step 5: Solve for x
    x = 10,211,141,715,539,940/103,959,415.30
  6. Step 6: Final answer
    x = 98,222,385.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.