Home / 240,535,663.21-331,939,215.26-130,527,376.21

Finding the Fourth Proportional to 240,535,663.21, 331,939,215.26 and 130,527,376.21

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Solution

The fourth proportional to 240,535,663.21, 331,939,215.26 and 130,527,376.21 is: 180,127,779.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,535,663.21 : 331,939,215.26 = 130,527,376.21 : x
  2. Step 2: Convert to fraction form
    240,535,663.21/331,939,215.26 = 130,527,376.21/x
  3. Step 3: Cross multiply
    240,535,663.21x = 331,939,215.26 × 130,527,376.21
  4. Step 4: Simplify right side
    240,535,663.21x = 43,327,154,827,611,704
  5. Step 5: Solve for x
    x = 43,327,154,827,611,704/240,535,663.21
  6. Step 6: Final answer
    x = 180,127,779.18

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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.