Home / 155,559,636.70-233,283,467.85-78,857,172.70

Finding the Fourth Proportional to 155,559,636.70, 233,283,467.85 and 78,857,172.70

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Solution

The fourth proportional to 155,559,636.70, 233,283,467.85 and 78,857,172.70 is: 118,257,377.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,559,636.70 : 233,283,467.85 = 78,857,172.70 : x
  2. Step 2: Convert to fraction form
    155,559,636.70/233,283,467.85 = 78,857,172.70/x
  3. Step 3: Cross multiply
    155,559,636.70x = 233,283,467.85 × 78,857,172.70
  4. Step 4: Simplify right side
    155,559,636.70x = 18,396,074,712,302,348
  5. Step 5: Solve for x
    x = 18,396,074,712,302,348/155,559,636.70
  6. Step 6: Final answer
    x = 118,257,377.70

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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.