Home / 139,884,334.40-209,826,501.60-88,865,998.40

Finding the Fourth Proportional to 139,884,334.40, 209,826,501.60 and 88,865,998.40

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Solution

The fourth proportional to 139,884,334.40, 209,826,501.60 and 88,865,998.40 is: 133,298,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,884,334.40 : 209,826,501.60 = 88,865,998.40 : x
  2. Step 2: Convert to fraction form
    139,884,334.40/209,826,501.60 = 88,865,998.40/x
  3. Step 3: Cross multiply
    139,884,334.40x = 209,826,501.60 × 88,865,998.40
  4. Step 4: Simplify right side
    139,884,334.40x = 18,646,441,555,463,200
  5. Step 5: Solve for x
    x = 18,646,441,555,463,200/139,884,334.40
  6. Step 6: Final answer
    x = 133,298,997.60

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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.