Home / 72,959,465.70-100,683,316.17-40,364,650.98

Finding the Fourth Proportional to 72,959,465.70, 100,683,316.17 and 40,364,650.98

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Solution

The fourth proportional to 72,959,465.70, 100,683,316.17 and 40,364,650.98 is: 55,702,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,959,465.70 : 100,683,316.17 = 40,364,650.98 : x
  2. Step 2: Convert to fraction form
    72,959,465.70/100,683,316.17 = 40,364,650.98/x
  3. Step 3: Cross multiply
    72,959,465.70x = 100,683,316.17 × 40,364,650.98
  4. Step 4: Simplify right side
    72,959,465.70x = 4,064,046,916,711,040
  5. Step 5: Solve for x
    x = 4,064,046,916,711,040/72,959,465.70
  6. Step 6: Final answer
    x = 55,702,805.36

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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.