Home / 67,021,970-92,497,825.48-40,574,901.20

Finding the Fourth Proportional to 67,021,970, 92,497,825.48 and 40,574,901.20

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Solution

The fourth proportional to 67,021,970, 92,497,825.48 and 40,574,901.20 is: 55,997,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021,970 : 92,497,825.48 = 40,574,901.20 : x
  2. Step 2: Convert to fraction form
    67,021,970/92,497,825.48 = 40,574,901.20/x
  3. Step 3: Cross multiply
    67,021,970x = 92,497,825.48 × 40,574,901.20
  4. Step 4: Simplify right side
    67,021,970x = 3,753,090,130,065,843
  5. Step 5: Solve for x
    x = 3,753,090,130,065,843/67,021,970
  6. Step 6: Final answer
    x = 55,997,908.30

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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.