Home / 235,391,560.32-324,885,325.72-155,866,355.40

Finding the Fourth Proportional to 235,391,560.32, 324,885,325.72 and 155,866,355.40

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Solution

The fourth proportional to 235,391,560.32, 324,885,325.72 and 155,866,355.40 is: 215,125,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,391,560.32 : 324,885,325.72 = 155,866,355.40 : x
  2. Step 2: Convert to fraction form
    235,391,560.32/324,885,325.72 = 155,866,355.40/x
  3. Step 3: Cross multiply
    235,391,560.32x = 324,885,325.72 × 155,866,355.40
  4. Step 4: Simplify right side
    235,391,560.32x = 50,638,691,642,918,288
  5. Step 5: Solve for x
    x = 50,638,691,642,918,288/235,391,560.32
  6. Step 6: Final answer
    x = 215,125,349.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.