Home / 157,341,921.40-235,760,939.70-103,426,247.80

Finding the Fourth Proportional to 157,341,921.40, 235,760,939.70 and 103,426,247.80

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Solution

The fourth proportional to 157,341,921.40, 235,760,939.70 and 103,426,247.80 is: 154,973,761.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,341,921.40 : 235,760,939.70 = 103,426,247.80 : x
  2. Step 2: Convert to fraction form
    157,341,921.40/235,760,939.70 = 103,426,247.80/x
  3. Step 3: Cross multiply
    157,341,921.40x = 235,760,939.70 × 103,426,247.80
  4. Step 4: Simplify right side
    157,341,921.40x = 24,383,869,370,973,056
  5. Step 5: Solve for x
    x = 24,383,869,370,973,056/157,341,921.40
  6. Step 6: Final answer
    x = 154,973,761.31

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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.