Home / 194,511,357.09-268,424,870.29-105,203,400.93

Finding the Fourth Proportional to 194,511,357.09, 268,424,870.29 and 105,203,400.93

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Solution

The fourth proportional to 194,511,357.09, 268,424,870.29 and 105,203,400.93 is: 145,180,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,511,357.09 : 268,424,870.29 = 105,203,400.93 : x
  2. Step 2: Convert to fraction form
    194,511,357.09/268,424,870.29 = 105,203,400.93/x
  3. Step 3: Cross multiply
    194,511,357.09x = 268,424,870.29 × 105,203,400.93
  4. Step 4: Simplify right side
    194,511,357.09x = 28,239,209,248,439,108
  5. Step 5: Solve for x
    x = 28,239,209,248,439,108/194,511,357.09
  6. Step 6: Final answer
    x = 145,180,259.25

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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.