Home / 105,713,906.40-158,523,620.40-40,996,202.40

Finding the Fourth Proportional to 105,713,906.40, 158,523,620.40 and 40,996,202.40

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Solution

The fourth proportional to 105,713,906.40, 158,523,620.40 and 40,996,202.40 is: 61,475,984.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,713,906.40 : 158,523,620.40 = 40,996,202.40 : x
  2. Step 2: Convert to fraction form
    105,713,906.40/158,523,620.40 = 40,996,202.40/x
  3. Step 3: Cross multiply
    105,713,906.40x = 158,523,620.40 × 40,996,202.40
  4. Step 4: Simplify right side
    105,713,906.40x = 6,498,866,427,099,169
  5. Step 5: Solve for x
    x = 6,498,866,427,099,169/105,713,906.40
  6. Step 6: Final answer
    x = 61,475,984.08

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1.5x scale

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.