Home / 145,035,354.60-217,804,974.30-77,010,906.60

Finding the Fourth Proportional to 145,035,354.60, 217,804,974.30 and 77,010,906.60

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Solution

The fourth proportional to 145,035,354.60, 217,804,974.30 and 77,010,906.60 is: 115,650,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,035,354.60 : 217,804,974.30 = 77,010,906.60 : x
  2. Step 2: Convert to fraction form
    145,035,354.60/217,804,974.30 = 77,010,906.60/x
  3. Step 3: Cross multiply
    145,035,354.60x = 217,804,974.30 × 77,010,906.60
  4. Step 4: Simplify right side
    145,035,354.60x = 16,773,358,532,832,700
  5. Step 5: Solve for x
    x = 16,773,358,532,832,700/145,035,354.60
  6. Step 6: Final answer
    x = 115,650,136.33

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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.