Home / 101,673,364.63-140,299,439.02-57,021,149.47

Finding the Fourth Proportional to 101,673,364.63, 140,299,439.02 and 57,021,149.47

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Solution

The fourth proportional to 101,673,364.63, 140,299,439.02 and 57,021,149.47 is: 78,683,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,673,364.63 : 140,299,439.02 = 57,021,149.47 : x
  2. Step 2: Convert to fraction form
    101,673,364.63/140,299,439.02 = 57,021,149.47/x
  3. Step 3: Cross multiply
    101,673,364.63x = 140,299,439.02 × 57,021,149.47
  4. Step 4: Simplify right side
    101,673,364.63x = 8,000,035,282,916,571
  5. Step 5: Solve for x
    x = 8,000,035,282,916,571/101,673,364.63
  6. Step 6: Final answer
    x = 78,683,687.83

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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.