Home / 107,784,136.40-161,777,681.40-56,702,814.80

Finding the Fourth Proportional to 107,784,136.40, 161,777,681.40 and 56,702,814.80

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Solution

The fourth proportional to 107,784,136.40, 161,777,681.40 and 56,702,814.80 is: 85,107,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,784,136.40 : 161,777,681.40 = 56,702,814.80 : x
  2. Step 2: Convert to fraction form
    107,784,136.40/161,777,681.40 = 56,702,814.80/x
  3. Step 3: Cross multiply
    107,784,136.40x = 161,777,681.40 × 56,702,814.80
  4. Step 4: Simplify right side
    107,784,136.40x = 9,173,249,907,197,604
  5. Step 5: Solve for x
    x = 9,173,249,907,197,604/107,784,136.40
  6. Step 6: Final answer
    x = 85,107,606.87

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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.