Home / 155,307,161.07-214,328,366.96-85,697,025.89

Finding the Fourth Proportional to 155,307,161.07, 214,328,366.96 and 85,697,025.89

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Solution

The fourth proportional to 155,307,161.07, 214,328,366.96 and 85,697,025.89 is: 118,264,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,307,161.07 : 214,328,366.96 = 85,697,025.89 : x
  2. Step 2: Convert to fraction form
    155,307,161.07/214,328,366.96 = 85,697,025.89/x
  3. Step 3: Cross multiply
    155,307,161.07x = 214,328,366.96 × 85,697,025.89
  4. Step 4: Simplify right side
    155,307,161.07x = 18,367,303,610,832,416
  5. Step 5: Solve for x
    x = 18,367,303,610,832,416/155,307,161.07
  6. Step 6: Final answer
    x = 118,264,370.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.