Home / 43,440,136.40-65,143,615.80-13,137,928.40

Finding the Fourth Proportional to 43,440,136.40, 65,143,615.80 and 13,137,928.40

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Solution

The fourth proportional to 43,440,136.40, 65,143,615.80 and 13,137,928.40 is: 19,701,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,440,136.40 : 65,143,615.80 = 13,137,928.40 : x
  2. Step 2: Convert to fraction form
    43,440,136.40/65,143,615.80 = 13,137,928.40/x
  3. Step 3: Cross multiply
    43,440,136.40x = 65,143,615.80 × 13,137,928.40
  4. Step 4: Simplify right side
    43,440,136.40x = 855,852,160,097,508.75
  5. Step 5: Solve for x
    x = 855,852,160,097,508.75/43,440,136.40
  6. Step 6: Final answer
    x = 19,701,875.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.