Home / 90,724,155.60-136,086,233.40-52,460,403.60

Finding the Fourth Proportional to 90,724,155.60, 136,086,233.40 and 52,460,403.60

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Solution

The fourth proportional to 90,724,155.60, 136,086,233.40 and 52,460,403.60 is: 78,690,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,724,155.60 : 136,086,233.40 = 52,460,403.60 : x
  2. Step 2: Convert to fraction form
    90,724,155.60/136,086,233.40 = 52,460,403.60/x
  3. Step 3: Cross multiply
    90,724,155.60x = 136,086,233.40 × 52,460,403.60
  4. Step 4: Simplify right side
    90,724,155.60x = 7,139,138,728,567,801
  5. Step 5: Solve for x
    x = 7,139,138,728,567,801/90,724,155.60
  6. Step 6: Final answer
    x = 78,690,605.40

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1.5x scale

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.