Home / 133,641,136.80-200,461,705.20-65,616,688.80

Finding the Fourth Proportional to 133,641,136.80, 200,461,705.20 and 65,616,688.80

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Solution

The fourth proportional to 133,641,136.80, 200,461,705.20 and 65,616,688.80 is: 98,425,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,641,136.80 : 200,461,705.20 = 65,616,688.80 : x
  2. Step 2: Convert to fraction form
    133,641,136.80/200,461,705.20 = 65,616,688.80/x
  3. Step 3: Cross multiply
    133,641,136.80x = 200,461,705.20 × 65,616,688.80
  4. Step 4: Simplify right side
    133,641,136.80x = 13,153,633,326,425,740
  5. Step 5: Solve for x
    x = 13,153,633,326,425,740/133,641,136.80
  6. Step 6: Final answer
    x = 98,425,033.20

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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.