Home / 120,276,406.32-165,895,680.72-110,385,159.36

Finding the Fourth Proportional to 120,276,406.32, 165,895,680.72 and 110,385,159.36

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Solution

The fourth proportional to 120,276,406.32, 165,895,680.72 and 110,385,159.36 is: 152,252,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,276,406.32 : 165,895,680.72 = 110,385,159.36 : x
  2. Step 2: Convert to fraction form
    120,276,406.32/165,895,680.72 = 110,385,159.36/x
  3. Step 3: Cross multiply
    120,276,406.32x = 165,895,680.72 × 110,385,159.36
  4. Step 4: Simplify right side
    120,276,406.32x = 18,312,421,153,412,880
  5. Step 5: Solve for x
    x = 18,312,421,153,412,880/120,276,406.32
  6. Step 6: Final answer
    x = 152,252,812.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.