Home / 190,656,981.89-263,098,886.96-108,148,995.17

Finding the Fourth Proportional to 190,656,981.89, 263,098,886.96 and 108,148,995.17

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Solution

The fourth proportional to 190,656,981.89, 263,098,886.96 and 108,148,995.17 is: 149,241,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656,981.89 : 263,098,886.96 = 108,148,995.17 : x
  2. Step 2: Convert to fraction form
    190,656,981.89/263,098,886.96 = 108,148,995.17/x
  3. Step 3: Cross multiply
    190,656,981.89x = 263,098,886.96 × 108,148,995.17
  4. Step 4: Simplify right side
    190,656,981.89x = 28,453,880,254,024,296
  5. Step 5: Solve for x
    x = 28,453,880,254,024,296/190,656,981.89
  6. Step 6: Final answer
    x = 149,241,218.30

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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.