Home / 155,423,993.47-214,503,918.90-88,459,233.15

Finding the Fourth Proportional to 155,423,993.47, 214,503,918.90 and 88,459,233.15

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Solution

The fourth proportional to 155,423,993.47, 214,503,918.90 and 88,459,233.15 is: 122,084,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,423,993.47 : 214,503,918.90 = 88,459,233.15 : x
  2. Step 2: Convert to fraction form
    155,423,993.47/214,503,918.90 = 88,459,233.15/x
  3. Step 3: Cross multiply
    155,423,993.47x = 214,503,918.90 × 88,459,233.15
  4. Step 4: Simplify right side
    155,423,993.47x = 18,974,852,173,563,792
  5. Step 5: Solve for x
    x = 18,974,852,173,563,792/155,423,993.47
  6. Step 6: Final answer
    x = 122,084,446.23

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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.