Home / 157,176,872.70-235,765,309.05-70,956,584.70

Finding the Fourth Proportional to 157,176,872.70, 235,765,309.05 and 70,956,584.70

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Solution

The fourth proportional to 157,176,872.70, 235,765,309.05 and 70,956,584.70 is: 106,434,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,176,872.70 : 235,765,309.05 = 70,956,584.70 : x
  2. Step 2: Convert to fraction form
    157,176,872.70/235,765,309.05 = 70,956,584.70/x
  3. Step 3: Cross multiply
    157,176,872.70x = 235,765,309.05 × 70,956,584.70
  4. Step 4: Simplify right side
    157,176,872.70x = 16,729,101,120,928,004
  5. Step 5: Solve for x
    x = 16,729,101,120,928,004/157,176,872.70
  6. Step 6: Final answer
    x = 106,434,877.05

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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.