Home / 253,573,983.40-380,360,975.10-91,994,924.20

Finding the Fourth Proportional to 253,573,983.40, 380,360,975.10 and 91,994,924.20

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Solution

The fourth proportional to 253,573,983.40, 380,360,975.10 and 91,994,924.20 is: 137,992,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,573,983.40 : 380,360,975.10 = 91,994,924.20 : x
  2. Step 2: Convert to fraction form
    253,573,983.40/380,360,975.10 = 91,994,924.20/x
  3. Step 3: Cross multiply
    253,573,983.40x = 380,360,975.10 × 91,994,924.20
  4. Step 4: Simplify right side
    253,573,983.40x = 34,991,279,072,962,592
  5. Step 5: Solve for x
    x = 34,991,279,072,962,592/253,573,983.40
  6. Step 6: Final answer
    x = 137,992,386.30

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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.