Home / 67,715,328.17-93,455,130.29-40,213,256.42

Finding the Fourth Proportional to 67,715,328.17, 93,455,130.29 and 40,213,256.42

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Solution

The fourth proportional to 67,715,328.17, 93,455,130.29 and 40,213,256.42 is: 55,499,031.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,715,328.17 : 93,455,130.29 = 40,213,256.42 : x
  2. Step 2: Convert to fraction form
    67,715,328.17/93,455,130.29 = 40,213,256.42/x
  3. Step 3: Cross multiply
    67,715,328.17x = 93,455,130.29 × 40,213,256.42
  4. Step 4: Simplify right side
    67,715,328.17x = 3,758,135,117,447,937
  5. Step 5: Solve for x
    x = 3,758,135,117,447,937/67,715,328.17
  6. Step 6: Final answer
    x = 55,499,031.30

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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.