Home / 213,894,883.60-320,842,325.40-99,103,627.60

Finding the Fourth Proportional to 213,894,883.60, 320,842,325.40 and 99,103,627.60

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Solution

The fourth proportional to 213,894,883.60, 320,842,325.40 and 99,103,627.60 is: 148,655,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,894,883.60 : 320,842,325.40 = 99,103,627.60 : x
  2. Step 2: Convert to fraction form
    213,894,883.60/320,842,325.40 = 99,103,627.60/x
  3. Step 3: Cross multiply
    213,894,883.60x = 320,842,325.40 × 99,103,627.60
  4. Step 4: Simplify right side
    213,894,883.60x = 31,796,638,334,759,616
  5. Step 5: Solve for x
    x = 31,796,638,334,759,616/213,894,883.60
  6. Step 6: Final answer
    x = 148,655,441.40

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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.