Home / 218,366,486.60-327,549,729.90-103,575,230.60

Finding the Fourth Proportional to 218,366,486.60, 327,549,729.90 and 103,575,230.60

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Solution

The fourth proportional to 218,366,486.60, 327,549,729.90 and 103,575,230.60 is: 155,362,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,366,486.60 : 327,549,729.90 = 103,575,230.60 : x
  2. Step 2: Convert to fraction form
    218,366,486.60/327,549,729.90 = 103,575,230.60/x
  3. Step 3: Cross multiply
    218,366,486.60x = 327,549,729.90 × 103,575,230.60
  4. Step 4: Simplify right side
    218,366,486.60x = 33,926,038,807,360,212
  5. Step 5: Solve for x
    x = 33,926,038,807,360,212/218,366,486.60
  6. Step 6: Final answer
    x = 155,362,845.90

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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.