Home / 115,495,424.40-173,243,136.60-72,497,254.80

Finding the Fourth Proportional to 115,495,424.40, 173,243,136.60 and 72,497,254.80

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Solution

The fourth proportional to 115,495,424.40, 173,243,136.60 and 72,497,254.80 is: 108,745,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,495,424.40 : 173,243,136.60 = 72,497,254.80 : x
  2. Step 2: Convert to fraction form
    115,495,424.40/173,243,136.60 = 72,497,254.80/x
  3. Step 3: Cross multiply
    115,495,424.40x = 173,243,136.60 × 72,497,254.80
  4. Step 4: Simplify right side
    115,495,424.40x = 12,559,651,816,441,404
  5. Step 5: Solve for x
    x = 12,559,651,816,441,404/115,495,424.40
  6. Step 6: Final answer
    x = 108,745,882.20

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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.