Home / 147,563,965.20-221,345,947.80-45,333,087.60

Finding the Fourth Proportional to 147,563,965.20, 221,345,947.80 and 45,333,087.60

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Solution

The fourth proportional to 147,563,965.20, 221,345,947.80 and 45,333,087.60 is: 67,999,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,563,965.20 : 221,345,947.80 = 45,333,087.60 : x
  2. Step 2: Convert to fraction form
    147,563,965.20/221,345,947.80 = 45,333,087.60/x
  3. Step 3: Cross multiply
    147,563,965.20x = 221,345,947.80 × 45,333,087.60
  4. Step 4: Simplify right side
    147,563,965.20x = 10,034,295,241,522,428
  5. Step 5: Solve for x
    x = 10,034,295,241,522,428/147,563,965.20
  6. Step 6: Final answer
    x = 67,999,631.40

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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.