Home / 147,622,643.70-221,433,965.55-146,772,338.10

Finding the Fourth Proportional to 147,622,643.70, 221,433,965.55 and 146,772,338.10

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Solution

The fourth proportional to 147,622,643.70, 221,433,965.55 and 146,772,338.10 is: 220,158,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,643.70 : 221,433,965.55 = 146,772,338.10 : x
  2. Step 2: Convert to fraction form
    147,622,643.70/221,433,965.55 = 146,772,338.10/x
  3. Step 3: Cross multiply
    147,622,643.70x = 221,433,965.55 × 146,772,338.10
  4. Step 4: Simplify right side
    147,622,643.70x = 32,500,380,858,528,352
  5. Step 5: Solve for x
    x = 32,500,380,858,528,352/147,622,643.70
  6. Step 6: Final answer
    x = 220,158,507.15

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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.