Home / 139,983,331.80-209,607,581.70-98,820,492.60

Finding the Fourth Proportional to 139,983,331.80, 209,607,581.70 and 98,820,492.60

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Solution

The fourth proportional to 139,983,331.80, 209,607,581.70 and 98,820,492.60 is: 147,971,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,983,331.80 : 209,607,581.70 = 98,820,492.60 : x
  2. Step 2: Convert to fraction form
    139,983,331.80/209,607,581.70 = 98,820,492.60/x
  3. Step 3: Cross multiply
    139,983,331.80x = 209,607,581.70 × 98,820,492.60
  4. Step 4: Simplify right side
    139,983,331.80x = 20,713,524,476,288,744
  5. Step 5: Solve for x
    x = 20,713,524,476,288,744/139,983,331.80
  6. Step 6: Final answer
    x = 147,971,363.52

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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.