Home / 253,820,111.80-380,730,167.70-72,043,670.20

Finding the Fourth Proportional to 253,820,111.80, 380,730,167.70 and 72,043,670.20

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Solution

The fourth proportional to 253,820,111.80, 380,730,167.70 and 72,043,670.20 is: 108,065,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,820,111.80 : 380,730,167.70 = 72,043,670.20 : x
  2. Step 2: Convert to fraction form
    253,820,111.80/380,730,167.70 = 72,043,670.20/x
  3. Step 3: Cross multiply
    253,820,111.80x = 380,730,167.70 × 72,043,670.20
  4. Step 4: Simplify right side
    253,820,111.80x = 27,429,198,636,969,492
  5. Step 5: Solve for x
    x = 27,429,198,636,969,492/253,820,111.80
  6. Step 6: Final answer
    x = 108,065,505.30

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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.