Home / 78,389,827.27-117,577,142.95-23,802,892.63

Finding the Fourth Proportional to 78,389,827.27, 117,577,142.95 and 23,802,892.63

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Solution

The fourth proportional to 78,389,827.27, 117,577,142.95 and 23,802,892.63 is: 35,702,031.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,827.27 : 117,577,142.95 = 23,802,892.63 : x
  2. Step 2: Convert to fraction form
    78,389,827.27/117,577,142.95 = 23,802,892.63/x
  3. Step 3: Cross multiply
    78,389,827.27x = 117,577,142.95 × 23,802,892.63
  4. Step 4: Simplify right side
    78,389,827.27x = 2,798,676,109,402,937.50
  5. Step 5: Solve for x
    x = 2,798,676,109,402,937.50/78,389,827.27
  6. Step 6: Final answer
    x = 35,702,031.84

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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.