Home / 100,106,429.10-150,159,643.65-31,956,009.90

Finding the Fourth Proportional to 100,106,429.10, 150,159,643.65 and 31,956,009.90

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Solution

The fourth proportional to 100,106,429.10, 150,159,643.65 and 31,956,009.90 is: 47,934,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,106,429.10 : 150,159,643.65 = 31,956,009.90 : x
  2. Step 2: Convert to fraction form
    100,106,429.10/150,159,643.65 = 31,956,009.90/x
  3. Step 3: Cross multiply
    100,106,429.10x = 150,159,643.65 × 31,956,009.90
  4. Step 4: Simplify right side
    100,106,429.10x = 4,798,503,059,059,872
  5. Step 5: Solve for x
    x = 4,798,503,059,059,872/100,106,429.10
  6. Step 6: Final answer
    x = 47,934,014.85

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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.