Home / 155,450,656.10-233,175,984.15-74,652,140.90

Finding the Fourth Proportional to 155,450,656.10, 233,175,984.15 and 74,652,140.90

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Solution

The fourth proportional to 155,450,656.10, 233,175,984.15 and 74,652,140.90 is: 111,978,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,450,656.10 : 233,175,984.15 = 74,652,140.90 : x
  2. Step 2: Convert to fraction form
    155,450,656.10/233,175,984.15 = 74,652,140.90/x
  3. Step 3: Cross multiply
    155,450,656.10x = 233,175,984.15 × 74,652,140.90
  4. Step 4: Simplify right side
    155,450,656.10x = 17,407,086,423,261,968
  5. Step 5: Solve for x
    x = 17,407,086,423,261,968/155,450,656.10
  6. Step 6: Final answer
    x = 111,978,211.35

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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.