Home / 240,535,649.89-331,939,196.88-130,527,362.89

Finding the Fourth Proportional to 240,535,649.89, 331,939,196.88 and 130,527,362.89

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Solution

The fourth proportional to 240,535,649.89, 331,939,196.88 and 130,527,362.89 is: 180,127,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,535,649.89 : 331,939,196.88 = 130,527,362.89 : x
  2. Step 2: Convert to fraction form
    240,535,649.89/331,939,196.88 = 130,527,362.89/x
  3. Step 3: Cross multiply
    240,535,649.89x = 331,939,196.88 × 130,527,362.89
  4. Step 4: Simplify right side
    240,535,649.89x = 43,327,148,008,570,912
  5. Step 5: Solve for x
    x = 43,327,148,008,570,912/240,535,649.89
  6. Step 6: Final answer
    x = 180,127,760.81

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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.