Home / 147,434,126.80-221,151,190.20-144,564,345.40

Finding the Fourth Proportional to 147,434,126.80, 221,151,190.20 and 144,564,345.40

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Solution

The fourth proportional to 147,434,126.80, 221,151,190.20 and 144,564,345.40 is: 216,846,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,434,126.80 : 221,151,190.20 = 144,564,345.40 : x
  2. Step 2: Convert to fraction form
    147,434,126.80/221,151,190.20 = 144,564,345.40/x
  3. Step 3: Cross multiply
    147,434,126.80x = 221,151,190.20 × 144,564,345.40
  4. Step 4: Simplify right side
    147,434,126.80x = 31,970,577,045,693,896
  5. Step 5: Solve for x
    x = 31,970,577,045,693,896/147,434,126.80
  6. Step 6: Final answer
    x = 216,846,518.10

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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.