Home / 251,701,709.79-347,365,817.09-152,586,634.69

Finding the Fourth Proportional to 251,701,709.79, 347,365,817.09 and 152,586,634.69

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Solution

The fourth proportional to 251,701,709.79, 347,365,817.09 and 152,586,634.69 is: 210,580,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,701,709.79 : 347,365,817.09 = 152,586,634.69 : x
  2. Step 2: Convert to fraction form
    251,701,709.79/347,365,817.09 = 152,586,634.69/x
  3. Step 3: Cross multiply
    251,701,709.79x = 347,365,817.09 × 152,586,634.69
  4. Step 4: Simplify right side
    251,701,709.79x = 53,003,381,036,105,184
  5. Step 5: Solve for x
    x = 53,003,381,036,105,184/251,701,709.79
  6. Step 6: Final answer
    x = 210,580,139.01

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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.