Home / 72,740,941.84-109,125,786.48-26,683,238.56

Finding the Fourth Proportional to 72,740,941.84, 109,125,786.48 and 26,683,238.56

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Solution

The fourth proportional to 72,740,941.84, 109,125,786.48 and 26,683,238.56 is: 40,030,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,740,941.84 : 109,125,786.48 = 26,683,238.56 : x
  2. Step 2: Convert to fraction form
    72,740,941.84/109,125,786.48 = 26,683,238.56/x
  3. Step 3: Cross multiply
    72,740,941.84x = 109,125,786.48 × 26,683,238.56
  4. Step 4: Simplify right side
    72,740,941.84x = 2,911,829,393,693,462.50
  5. Step 5: Solve for x
    x = 2,911,829,393,693,462.50/72,740,941.84
  6. Step 6: Final answer
    x = 40,030,130.49

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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.