Home / 157,705,173.28-217,846,151.76-118,840,725.28

Finding the Fourth Proportional to 157,705,173.28, 217,846,151.76 and 118,840,725.28

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Solution

The fourth proportional to 157,705,173.28, 217,846,151.76 and 118,840,725.28 is: 164,160,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,705,173.28 : 217,846,151.76 = 118,840,725.28 : x
  2. Step 2: Convert to fraction form
    157,705,173.28/217,846,151.76 = 118,840,725.28/x
  3. Step 3: Cross multiply
    157,705,173.28x = 217,846,151.76 × 118,840,725.28
  4. Step 4: Simplify right side
    157,705,173.28x = 25,888,994,674,615,348
  5. Step 5: Solve for x
    x = 25,888,994,674,615,348/157,705,173.28
  6. Step 6: Final answer
    x = 164,160,719.25

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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.