Home / 84,774,581.40-127,161,872.10-33,630,274.20

Finding the Fourth Proportional to 84,774,581.40, 127,161,872.10 and 33,630,274.20

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Solution

The fourth proportional to 84,774,581.40, 127,161,872.10 and 33,630,274.20 is: 50,445,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,774,581.40 : 127,161,872.10 = 33,630,274.20 : x
  2. Step 2: Convert to fraction form
    84,774,581.40/127,161,872.10 = 33,630,274.20/x
  3. Step 3: Cross multiply
    84,774,581.40x = 127,161,872.10 × 33,630,274.20
  4. Step 4: Simplify right side
    84,774,581.40x = 4,276,488,626,508,330
  5. Step 5: Solve for x
    x = 4,276,488,626,508,330/84,774,581.40
  6. Step 6: Final answer
    x = 50,445,411.30

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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.