Home / 193,935,828.44-267,637,095.42-105,835,500.78

Finding the Fourth Proportional to 193,935,828.44, 267,637,095.42 and 105,835,500.78

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Solution

The fourth proportional to 193,935,828.44, 267,637,095.42 and 105,835,500.78 is: 146,056,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,935,828.44 : 267,637,095.42 = 105,835,500.78 : x
  2. Step 2: Convert to fraction form
    193,935,828.44/267,637,095.42 = 105,835,500.78/x
  3. Step 3: Cross multiply
    193,935,828.44x = 267,637,095.42 × 105,835,500.78
  4. Step 4: Simplify right side
    193,935,828.44x = 28,325,506,021,080,344
  5. Step 5: Solve for x
    x = 28,325,506,021,080,344/193,935,828.44
  6. Step 6: Final answer
    x = 146,056,075.60

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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.