Home / 240,364,357.20-331,698,839.40-135,938,509.20

Finding the Fourth Proportional to 240,364,357.20, 331,698,839.40 and 135,938,509.20

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Solution

The fourth proportional to 240,364,357.20, 331,698,839.40 and 135,938,509.20 is: 187,592,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,364,357.20 : 331,698,839.40 = 135,938,509.20 : x
  2. Step 2: Convert to fraction form
    240,364,357.20/331,698,839.40 = 135,938,509.20/x
  3. Step 3: Cross multiply
    240,364,357.20x = 331,698,839.40 × 135,938,509.20
  4. Step 4: Simplify right side
    240,364,357.20x = 45,090,645,731,406,216
  5. Step 5: Solve for x
    x = 45,090,645,731,406,216/240,364,357.20
  6. Step 6: Final answer
    x = 187,592,895.46

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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.