Home / 72,695,428.80-109,043,143.20-26,637,208.80

Finding the Fourth Proportional to 72,695,428.80, 109,043,143.20 and 26,637,208.80

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Solution

The fourth proportional to 72,695,428.80, 109,043,143.20 and 26,637,208.80 is: 39,955,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,695,428.80 : 109,043,143.20 = 26,637,208.80 : x
  2. Step 2: Convert to fraction form
    72,695,428.80/109,043,143.20 = 26,637,208.80/x
  3. Step 3: Cross multiply
    72,695,428.80x = 109,043,143.20 × 26,637,208.80
  4. Step 4: Simplify right side
    72,695,428.80x = 2,904,604,973,626,700.50
  5. Step 5: Solve for x
    x = 2,904,604,973,626,700.50/72,695,428.80
  6. Step 6: Final answer
    x = 39,955,813.20

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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.