Home / 78,389,935.40-117,577,304.82-23,803,000.76

Finding the Fourth Proportional to 78,389,935.40, 117,577,304.82 and 23,803,000.76

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Solution

The fourth proportional to 78,389,935.40, 117,577,304.82 and 23,803,000.76 is: 35,702,193.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,389,935.40 : 117,577,304.82 = 23,803,000.76 : x
  2. Step 2: Convert to fraction form
    78,389,935.40/117,577,304.82 = 23,803,000.76/x
  3. Step 3: Cross multiply
    78,389,935.40x = 117,577,304.82 × 23,803,000.76
  4. Step 4: Simplify right side
    78,389,935.40x = 2,798,692,675,989,211.50
  5. Step 5: Solve for x
    x = 2,798,692,675,989,211.50/78,389,935.40
  6. Step 6: Final answer
    x = 35,702,193.93

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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.