Home / 155,546,084.78-233,287,455.98-57,143,970.68

Finding the Fourth Proportional to 155,546,084.78, 233,287,455.98 and 57,143,970.68

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Solution

The fourth proportional to 155,546,084.78, 233,287,455.98 and 57,143,970.68 is: 85,704,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,546,084.78 : 233,287,455.98 = 57,143,970.68 : x
  2. Step 2: Convert to fraction form
    155,546,084.78/233,287,455.98 = 57,143,970.68/x
  3. Step 3: Cross multiply
    155,546,084.78x = 233,287,455.98 × 57,143,970.68
  4. Step 4: Simplify right side
    155,546,084.78x = 13,330,971,544,532,910
  5. Step 5: Solve for x
    x = 13,330,971,544,532,910/155,546,084.78
  6. Step 6: Final answer
    x = 85,704,320.77

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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.